#181E85#181E85

#181E85 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.166 H 269.9°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#181E85
RGB	rgb(24, 30, 133)
HSL	hsl(237, 69%, 31%)
HSV	hsv(237, 82%, 52%)
CMYK	cmyk(82%, 77.4%, 0%, 47.8%)
CIE-LAB	lab(19.29, 36.15, -57.33)
CIE-LCH	lch(19.29, 67.77, 302.23°)
OKLab	oklab(31.95% -0.0002 -0.1661)
OKLCH	oklch(31.95% 0.166 269.9)
XYZ	xyz(5.0732, 2.8156, 22.4618)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E85 #857F18

analogous

#185485 #181E85 #481885

triadic

#181E85 #85181E #1E8518

tetradic

#181E85 #851854 #857F18 #188548

square

#181E85 #851854 #857F18 #188548

split-complementary

#181E85 #854818 #548518

monochromatic

#05071D #0F1251 #181E85 #212AB9 #3C44DC

Accessibility & contrast

On white

13.43

#181E85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#181E85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E85

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E85	#FFFFFF	#000000	##FFFFFF
##181E85	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002983

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #181e85;
/* rgb */ color: rgb(24, 30, 133);
/* oklch */ color: oklch(31.9% 0.166 269.9);

Tailwind

colors: {
  custom: {
    50: '#6b5baa',
    500: '#181e85',
    950: '#000000',
  },
}

SCSS

$custom: #181e85;
$custom-light: #6b5baa;
$custom-dark: #000000;

JSON

{
  "hex": "#181e85",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 133
  },
  "hsl": {
    "h": 236.697,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31946,
    "c": 0.16607,
    "h": 269.9
  },
  "luminance": 0.02816
}

Semantic roles & 50–950 ramp

primary

#181E85

secondary

#B9B240

accent

#E33CEC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #181E85

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

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