#181E8E#181E8E

#181E8E is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.0% C 0.177 H 269.4°. Best body text is #FFFFFF at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#181E8E
RGB	rgb(24, 30, 142)
HSL	hsl(237, 71%, 33%)
HSV	hsv(237, 83%, 56%)
CMYK	cmyk(83.1%, 78.9%, 0%, 44.3%)
CIE-LAB	lab(20.34, 39.31, -61.23)
CIE-LCH	lch(20.34, 72.76, 302.70°)
OKLab	oklab(33% -0.0017 -0.1774)
OKLCH	oklch(33% 0.177 269.4)
XYZ	xyz(5.7218, 3.0751, 25.8779)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E8E #8E8818

analogous

#18598E #181E8E #4D188E

triadic

#181E8E #8E181E #1E8E18

tetradic

#181E8E #8E1859 #8E8818 #188E4D

square

#181E8E #8E1859 #8E8818 #188E4D

split-complementary

#181E8E #8E4D18 #598E18

monochromatic

#060825 #0F135A #181E8E #2129C2 #4149DF

Accessibility & contrast

On white

13.00

#181E8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#181E8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E8E

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E8E	#FFFFFF	#000000	##FFFFFF
##181E8E	1.00	13.00	1.62	13.00
#FFFFFF	13.00	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	13.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003791

Deuteranopia (green-blind)

#002B8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #181e8e;
/* rgb */ color: rgb(24, 30, 142);
/* oklch */ color: oklch(33.0% 0.177 269.4);

Tailwind

colors: {
  custom: {
    50: '#6d5cb0',
    500: '#181e8e',
    950: '#000000',
  },
}

SCSS

$custom: #181e8e;
$custom-light: #6d5cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#181e8e",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 142
  },
  "hsl": {
    "h": 236.949,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.32998,
    "c": 0.17738,
    "h": 269.4
  },
  "luminance": 0.03076
}

Semantic roles & 50–950 ramp

primary

#181E8E

secondary

#C0B942

accent

#E53AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #181E8E

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

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