#181370#181370

#181370 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.9% C 0.150 H 273.2°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#181370
RGB	rgb(24, 19, 112)
HSL	hsl(243, 71%, 26%)
HSV	hsv(243, 83%, 44%)
CMYK	cmyk(78.6%, 83%, 0%, 56.1%)
CIE-LAB	lab(14.57, 35.12, -51.71)
CIE-LCH	lch(14.57, 62.51, 304.18°)
OKLab	oklab(27.88% 0.0083 -0.1496)
OKLCH	oklch(27.88% 0.15 273.2)
XYZ	xyz(3.5332, 1.8294, 15.4930)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181370 #6B7013

analogous

#133C70 #181370 #461370

triadic

#181370 #701813 #137018

tetradic

#181370 #70133C #6B7013 #137046

square

#181370 #70133C #6B7013 #137046

split-complementary

#181370 #704613 #3C7013

monochromatic

#06041A #0D0A3C #181370 #231CA4 #2E25D9

Accessibility & contrast

On white

15.37

#181370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#181370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181370

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181370	#FFFFFF	#000000	##FFFFFF
##181370	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002973

Deuteranopia (green-blind)

#00206E

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #181370;
/* rgb */ color: rgb(24, 19, 112);
/* oklch */ color: oklch(27.9% 0.150 273.2);

Tailwind

colors: {
  custom: {
    50: '#66539a',
    500: '#181370',
    950: '#000000',
  },
}

SCSS

$custom: #181370;
$custom-light: #66539a;
$custom-dark: #000000;

JSON

{
  "hex": "#181370",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 112
  },
  "hsl": {
    "h": 243.226,
    "s": 70.992,
    "l": 25.686
  },
  "oklch": {
    "l": 0.27884,
    "c": 0.14986,
    "h": 273.2
  },
  "luminance": 0.0183
}

Semantic roles & 50–950 ramp

primary

#181370

secondary

#A1A738

accent

#EE3AE4

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #181370

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

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