#181A60#181A60

#181A60 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.1% C 0.121 H 273.7°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#181A60
RGB	rgb(24, 26, 96)
HSL	hsl(238, 60%, 24%)
HSV	hsv(238, 75%, 38%)
CMYK	cmyk(75%, 72.9%, 0%, 62.4%)
CIE-LAB	lab(14.27, 24.98, -41.67)
CIE-LCH	lch(14.27, 48.59, 300.94°)
OKLab	oklab(27.13% 0.0077 -0.1204)
OKLCH	oklch(27.13% 0.121 273.7)
XYZ	xyz(2.8567, 1.7772, 11.2566)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A60 #605E18

analogous

#183E60 #181A60 #3A1860

triadic

#181A60 #60181A #1A6018

tetradic

#181A60 #60183E #605E18 #18603A

square

#181A60 #60183E #605E18 #18603A

split-complementary

#181A60 #603A18 #3E6018

monochromatic

#060718 #0C0D2F #181A60 #242791 #3035C2

Accessibility & contrast

On white

15.49

#181A60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#181A60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A60

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A60	#FFFFFF	#000000	##FFFFFF
##181A60	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002862

Deuteranopia (green-blind)

#00215F

Tritanopia (blue-blind)

#002D3A

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #181a60;
/* rgb */ color: rgb(24, 26, 96);
/* oklch */ color: oklch(27.1% 0.121 273.7);

Tailwind

colors: {
  custom: {
    50: '#61578e',
    500: '#181a60',
    950: '#000000',
  },
}

SCSS

$custom: #181a60;
$custom-light: #61578e;
$custom-dark: #000000;

JSON

{
  "hex": "#181a60",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 96
  },
  "hsl": {
    "h": 238.333,
    "s": 60,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27131,
    "c": 0.1207,
    "h": 273.7
  },
  "luminance": 0.01778
}

Semantic roles & 50–950 ramp

primary

#181A60

secondary

#96943D

accent

#DF45E3

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #181A60

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

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