colors
Back to gallery

Methodical Paraiba

#1583b6
Notes

Methodical Paraiba (#1583B6) is a true cyan with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (199°, 79%, 40%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1583b6
RGB
rgb(21, 131, 182)
HSL
hsl(199, 79%, 40%)
HWB
hwb(199 8% 29%)
OKLCH
oklch(57.8% 0.119 236.1)
P3
color(display-p3 0.2387 0.5060 0.6961)
HSV
hsv(199, 88%, 71%)
LAB
lab(51.57% -10.29 -34.83)
LCH
lch(51.57% 36.32 253.54)
CMYK
cmyk(88%, 28%, 0%, 29%)

Etymology

Methodical
adjective

Greek méthodos, systematic-procedure — adjectival suffix -al. As a color modifier, methodical implies a clear-and-systematic-and-step-by-step quality where the hue carries the visual register of careful-procedure-followed design-element. Sits at the crisp-and-orderly end of the grid, parallel to orderly and organized in usage.

Paraiba
noun

The intensely-blue copper-bearing variety of tourmaline — discovered in 1989 in the Brazilian state of Paraíba. Paraiba tourmaline is one of the most expensive gem materials by weight. The color refers to a faceted Paraiba tourmaline: a saturated, slightly cool electric blue-green with the gem's signature internal fire.

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.

#1583b6
Original
#6a83b8
Protanopia
#5575b5
Deuteranopia
#009095
Tritanopia
#6f6f6f
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).
AA Largeon White
4.24:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
4.95:1

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
##1583B6
Display P3
Display P3
color(display-p3 0.2387 0.5060 0.6961)
P3 has subtle headroomOKLCH chroma 0.119

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

Canvas