#18137D#18137D

#18137D is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.5% C 0.166 H 271.7°. Best body text is #FFFFFF at 14.70:1 contrast (WCAG AA passes).

Color values

HEX	#18137D
RGB	rgb(24, 19, 125)
HSL	hsl(243, 74%, 28%)
HSV	hsv(243, 85%, 49%)
CMYK	cmyk(80.8%, 84.8%, 0%, 51%)
CIE-LAB	lab(16.21, 39.48, -57.37)
CIE-LCH	lch(16.21, 69.64, 304.54°)
OKLab	oklab(29.5% 0.005 -0.166)
OKLCH	oklch(29.5% 0.166 271.7)
XYZ	xyz(4.3100, 2.1401, 19.5840)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18137D #787D13

analogous

#13437D #18137D #4D137D

triadic

#18137D #7D1813 #137D18

tetradic

#18137D #7D1343 #787D13 #137D4D

square

#18137D #7D1343 #787D13 #137D4D

split-complementary

#18137D #7D4D13 #437D13

monochromatic

#05041B #0E0B48 #18137D #221BB2 #342CDF

Accessibility & contrast

On white

14.70

#18137D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#18137D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18137D

14.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18137D	#FFFFFF	#000000	##FFFFFF
##18137D	1.00	14.70	1.43	14.70
#FFFFFF	14.70	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D80

Deuteranopia (green-blind)

#00237B

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18137d;
/* rgb */ color: rgb(24, 19, 125);
/* oklch */ color: oklch(29.5% 0.166 271.7);

Tailwind

colors: {
  custom: {
    50: '#6a54a4',
    500: '#18137d',
    950: '#000000',
  },
}

SCSS

$custom: #18137d;
$custom-light: #6a54a4;
$custom-dark: #000000;

JSON

{
  "hex": "#18137d",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 125
  },
  "hsl": {
    "h": 242.83,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.295,
    "c": 0.16608,
    "h": 271.7
  },
  "luminance": 0.02141
}

Semantic roles & 50–950 ramp

primary

#18137D

secondary

#ADB339

accent

#F038E8

background

#F6F5FA

surface

#ECE8F4

border

#C7C4CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18137D

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

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