#18187A#18187A

#18187A is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.158 H 271.5°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#18187A
RGB	rgb(24, 24, 122)
HSL	hsl(240, 67%, 29%)
HSV	hsv(240, 80%, 48%)
CMYK	cmyk(80.3%, 80.3%, 0%, 52.2%)
CIE-LAB	lab(16.76, 35.78, -54.53)
CIE-LCH	lch(16.76, 65.22, 303.27°)
OKLab	oklab(29.78% 0.0041 -0.1579)
OKLCH	oklch(29.78% 0.158 271.5)
XYZ	xyz(4.2150, 2.2521, 18.6211)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18187A #7A7A18

analogous

#18497A #18187A #49187A

triadic

#18187A #7A1818 #187A18

tetradic

#18187A #7A1849 #7A7A18 #187A49

square

#18187A #7A1849 #7A7A18 #187A49

split-complementary

#18187A #7A4918 #497A18

monochromatic

#05051A #0E0E47 #18187A #2222AD #3535D7

Accessibility & contrast

On white

14.48

#18187A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#18187A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18187A

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18187A	#FFFFFF	#000000	##FFFFFF
##18187A	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7D

Deuteranopia (green-blind)

#002478

Tritanopia (blue-blind)

#003648

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #18187a;
/* rgb */ color: rgb(24, 24, 122);
/* oklch */ color: oklch(29.8% 0.158 271.5);

Tailwind

colors: {
  custom: {
    50: '#6857a2',
    500: '#18187a',
    950: '#000000',
  },
}

SCSS

$custom: #18187a;
$custom-light: #6857a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18187a",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 122
  },
  "hsl": {
    "h": 240,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.29777,
    "c": 0.15793,
    "h": 271.5
  },
  "luminance": 0.02253
}

Semantic roles & 50–950 ramp

primary

#18187A

secondary

#AFAF3F

accent

#EA3EEA

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #18187A

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

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