#181E6E#181E6E

#181E6E is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.4% C 0.136 H 271.4°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#181E6E
RGB	rgb(24, 30, 110)
HSL	hsl(236, 64%, 26%)
HSV	hsv(236, 78%, 43%)
CMYK	cmyk(78.2%, 72.7%, 0%, 56.9%)
CIE-LAB	lab(16.74, 27.64, -46.82)
CIE-LCH	lch(16.74, 54.38, 300.56°)
OKLab	oklab(29.36% 0.0033 -0.1355)
OKLCH	oklch(29.36% 0.136 271.4)
XYZ	xyz(3.6545, 2.2481, 14.9902)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E6E #6E6818

analogous

#18496E #181E6E #3D186E

triadic

#181E6E #6E181E #1E6E18

tetradic

#181E6E #6E1849 #6E6818 #186E3D

square

#181E6E #6E1849 #6E6818 #186E3D

split-complementary

#181E6E #6E3D18 #496E18

monochromatic

#050719 #0D103C #181E6E #232CA0 #2F3AD2

Accessibility & contrast

On white

14.48

#181E6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#181E6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E6E

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E6E	#FFFFFF	#000000	##FFFFFF
##181E6E	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)

#002D70

Deuteranopia (green-blind)

#00256D

Tritanopia (blue-blind)

#003443

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #181e6e;
/* rgb */ color: rgb(24, 30, 110);
/* oklch */ color: oklch(29.4% 0.136 271.4);

Tailwind

colors: {
  custom: {
    50: '#645a98',
    500: '#181e6e',
    950: '#000000',
  },
}

SCSS

$custom: #181e6e;
$custom-light: #645a98;
$custom-dark: #000000;

JSON

{
  "hex": "#181e6e",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 110
  },
  "hsl": {
    "h": 235.814,
    "s": 64.179,
    "l": 26.275
  },
  "oklch": {
    "l": 0.29361,
    "c": 0.13553,
    "h": 271.4
  },
  "luminance": 0.02249
}

Semantic roles & 50–950 ramp

primary

#181E6E

secondary

#A49D3E

accent

#DC41E7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #181E6E

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

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