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Confident Crater

#3d5bbf
Notes

Confident Crater (#3D5BBF) is a true blue 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 (226°, 52%, 49%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#3d5bbf
RGB
rgb(61, 91, 191)
HSL
hsl(226, 52%, 49%)
HWB
hwb(226 24% 25%)
OKLCH
oklch(50.5% 0.161 267.7)
HSV
hsv(226, 68%, 75%)
LAB
lab(41.59% 22.38 -55.88)
LCH
lch(41.59% 60.20 291.83)
CMYK
cmyk(68%, 52%, 0%, 25%)

Etymology

Confident
adjective

A late-Latin participle, confidens, trusting — borrowed into English in the sixteenth century. As a color modifier, confident implies saturation combined with poise: a confident red doesn't try too hard, just sits at the level of its hue without overreaching. Sits in the bold-bucket center near bold and resolute.

Crater
noun

Crater Lake — the deepest lake in the United States, formed in the caldera of Mount Mazama (collapsed 7,700 years ago) in Oregon. The lake is famously deep blue. Crater refers to mid-depth Crater Lake water at midday: a saturated, slightly cool very deep blue with the optical depth of the world's clearest temperate lake.

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

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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.

#3d5bbf
Original
#1a68c3
Protanopia
#005cbd
Deuteranopia
#007384
Tritanopia
#5c5c5c
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
6.09:1
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
3.45:1

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