#18137E#18137E

#18137E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.167 H 271.6°. Best body text is #FFFFFF at 14.65:1 contrast (WCAG AA passes).

Color values

HEX	#18137E
RGB	rgb(24, 19, 126)
HSL	hsl(243, 74%, 28%)
HSV	hsv(243, 85%, 49%)
CMYK	cmyk(81%, 84.9%, 0%, 50.6%)
CIE-LAB	lab(16.33, 39.81, -57.79)
CIE-LCH	lch(16.33, 70.18, 304.56°)
OKLab	oklab(29.63% 0.0047 -0.1672)
OKLCH	oklch(29.63% 0.167 271.6)
XYZ	xyz(4.3742, 2.1658, 19.9221)
Luminance	0.0217 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18137E #797E13

analogous

#13437E #18137E #4D137E

triadic

#18137E #7E1813 #137E18

tetradic

#18137E #7E1343 #797E13 #137E4D

square

#18137E #7E1343 #797E13 #137E4D

split-complementary

#18137E #7E4D13 #437E13

monochromatic

#05041B #0E0B49 #18137E #221BB3 #352CDF

Accessibility & contrast

On white

14.65

#18137E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#18137E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18137E

14.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18137E	#FFFFFF	#000000	##FFFFFF
##18137E	1.00	14.65	1.43	14.65
#FFFFFF	14.65	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E81

Deuteranopia (green-blind)

#00237C

Tritanopia (blue-blind)

#00354A

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18137e;
/* rgb */ color: rgb(24, 19, 126);
/* oklch */ color: oklch(29.6% 0.167 271.6);

Tailwind

colors: {
  custom: {
    50: '#6a54a5',
    500: '#18137e',
    950: '#000000',
  },
}

SCSS

$custom: #18137e;
$custom-light: #6a54a5;
$custom-dark: #000000;

JSON

{
  "hex": "#18137e",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 126
  },
  "hsl": {
    "h": 242.804,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29625,
    "c": 0.16731,
    "h": 271.6
  },
  "luminance": 0.02166
}

Semantic roles & 50–950 ramp

primary

#18137E

secondary

#AEB439

accent

#F037E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18137E

Body copy rendered with the generated semantic roles for this colour.

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