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Certain Freya Brick

#b23c34
Notes

Certain Freya Brick (#B23C34) is a true red with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (4°, 55%, 45%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b23c34
RGB
rgb(178, 60, 52)
HSL
hsl(4, 55%, 45%)
HWB
hwb(4 20% 30%)
OKLCH
oklch(52.4% 0.155 27.6)
P3
color(display-p3 0.6454 0.2682 0.2270)
HSV
hsv(4, 71%, 70%)
LAB
lab(42.68% 47.38 31.21)
LCH
lch(42.68% 56.74 33.37)
CMYK
cmyk(0%, 66%, 71%, 30%)

Etymology

Certain
adjective

Latin certus, fixed / sure — sharing root with English concern and certify. As a color modifier, certain implies a saturated-and-unambiguous quality where the hue declares its character without hesitation. Sits at the bold-and-confident end of the grid, parallel to assured and decisive in usage.

Freya
modifier

Old Norse Freyja, goddess-of-love-and-Vanir. As a color modifier, freya implies a Vanir-goddess-and-feathered-cloak-and-Brísingamen quality, the visual register of Norse-Freya-and-Vanir-goddess hand-Vanir-goddess-and-feathered-cloak-and-Brísingamen Norse-Freya-and-Vanir-goddess-and-Brísingamen-amber-necklace freya-and-Vanir-goddess-and-feathered-cloak surfaces under Norse-Freya-and-Vanir-goddess-and-Brísingamen-amber-necklace Folkvang-and-Sessrúmnir-and-cat-drawn-chariot amber-necklace-light. Sits at the modifier-and-myth end of the grid, parallel to odin and vala in usage.

Brick
noun

Fired clay, mineral red. The color refers to common building brick — iron-rich earthenware kilned to the specific dusky red-orange of a Victorian terrace, a Roman aqueduct, an adobe wall in New Mexico. Less saturated than ruby, warmer than burgundy, with a chalky cast that reads as architectural rather than decorative.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#b23c34
Original
#5d5532
Protanopia
#7a6e30
Deuteranopia
#c41d3b
Tritanopia
#555555
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon White
5.85:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.59:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##B23C34
Display P3
Display P3
color(display-p3 0.6454 0.2682 0.2270)
P3 has subtle headroomOKLCH chroma 0.155

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

Related Colors

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