#181F62#181F62

#181F62 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.3% C 0.117 H 271.8°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#181F62
RGB	rgb(24, 31, 98)
HSL	hsl(234, 61%, 24%)
HSV	hsv(234, 76%, 38%)
CMYK	cmyk(75.5%, 68.4%, 0%, 61.6%)
CIE-LAB	lab(15.78, 22.27, -40.53)
CIE-LCH	lch(15.78, 46.25, 298.79°)
OKLab	oklab(28.29% 0.0038 -0.1171)
OKLCH	oklch(28.29% 0.117 271.8)
XYZ	xyz(3.0705, 2.0557, 11.7879)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181F62 #625B18

analogous

#184462 #181F62 #361862

triadic

#181F62 #62181F #1F6218

tetradic

#181F62 #621844 #625B18 #186236

square

#181F62 #621844 #625B18 #186236

split-complementary

#181F62 #623618 #446218

monochromatic

#060819 #0C0F31 #181F62 #242F93 #303EC4

Accessibility & contrast

On white

14.88

#181F62 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#181F62 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181F62

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181F62	#FFFFFF	#000000	##FFFFFF
##181F62	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B64

Deuteranopia (green-blind)

#002461

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181f62;
/* rgb */ color: rgb(24, 31, 98);
/* oklch */ color: oklch(28.3% 0.117 271.8);

Tailwind

colors: {
  custom: {
    50: '#615a8f',
    500: '#181f62',
    950: '#000000',
  },
}

SCSS

$custom: #181f62;
$custom-light: #615a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#181f62",
  "rgb": {
    "r": 24,
    "g": 31,
    "b": 98
  },
  "hsl": {
    "h": 234.324,
    "s": 60.656,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28289,
    "c": 0.11714,
    "h": 271.8
  },
  "luminance": 0.02056
}

Semantic roles & 50–950 ramp

primary

#181F62

secondary

#98903E

accent

#D544E4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #181F62

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

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