#181F60#181F60

#181F60 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.1% C 0.114 H 272.0°. Best body text is #FFFFFF at 14.96:1 contrast (WCAG AA passes).

Color values

HEX	#181F60
RGB	rgb(24, 31, 96)
HSL	hsl(234, 60%, 24%)
HSV	hsv(234, 75%, 38%)
CMYK	cmyk(75%, 67.7%, 0%, 62.4%)
CIE-LAB	lab(15.58, 21.48, -39.52)
CIE-LCH	lch(15.58, 44.98, 298.52°)
OKLab	oklab(28.09% 0.0039 -0.1141)
OKLCH	oklch(28.09% 0.114 272)
XYZ	xyz(2.9773, 2.0184, 11.2967)
Luminance	0.0202 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181F60 #605918

analogous

#184360 #181F60 #351860

triadic

#181F60 #60181F #1F6018

tetradic

#181F60 #601843 #605918 #186035

square

#181F60 #601843 #605918 #186035

split-complementary

#181F60 #603518 #436018

monochromatic

#060818 #0C0F2F #181F60 #242F91 #303FC2

Accessibility & contrast

On white

14.96

#181F60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#181F60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181F60

14.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181F60	#FFFFFF	#000000	##FFFFFF
##181F60	1.00	14.96	1.40	14.96
#FFFFFF	14.96	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A62

Deuteranopia (green-blind)

#00245F

Tritanopia (blue-blind)

#00303C

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181f60;
/* rgb */ color: rgb(24, 31, 96);
/* oklch */ color: oklch(28.1% 0.114 272.0);

Tailwind

colors: {
  custom: {
    50: '#605a8e',
    500: '#181f60',
    950: '#000000',
  },
}

SCSS

$custom: #181f60;
$custom-light: #605a8e;
$custom-dark: #000000;

JSON

{
  "hex": "#181f60",
  "rgb": {
    "r": 24,
    "g": 31,
    "b": 96
  },
  "hsl": {
    "h": 234.167,
    "s": 60,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28087,
    "c": 0.1142,
    "h": 272
  },
  "luminance": 0.02019
}

Semantic roles & 50–950 ramp

primary

#181F60

secondary

#968E3D

accent

#D445E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040C

muted

#7A797D

Preview Lab

Preview with #181F60

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

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