#18137C#18137C

#18137C is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.165 H 271.8°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#18137C
RGB	rgb(24, 19, 124)
HSL	hsl(243, 73%, 28%)
HSV	hsv(243, 85%, 49%)
CMYK	cmyk(80.6%, 84.7%, 0%, 51.4%)
CIE-LAB	lab(16.08, 39.15, -56.94)
CIE-LCH	lch(16.08, 69.10, 304.51°)
OKLab	oklab(29.37% 0.0052 -0.1648)
OKLCH	oklch(29.37% 0.165 271.8)
XYZ	xyz(4.2464, 2.1147, 19.2493)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18137C #777C13

analogous

#13427C #18137C #4C137C

triadic

#18137C #7C1813 #137C18

tetradic

#18137C #7C1342 #777C13 #137C4C

square

#18137C #7C1342 #777C13 #137C4C

split-complementary

#18137C #7C4C13 #427C13

monochromatic

#05041B #0E0B47 #18137C #221BB1 #332BDF

Accessibility & contrast

On white

14.76

#18137C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#18137C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18137C

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18137C	#FFFFFF	#000000	##FFFFFF
##18137C	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7F

Deuteranopia (green-blind)

#00237A

Tritanopia (blue-blind)

#003549

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #18137c;
/* rgb */ color: rgb(24, 19, 124);
/* oklch */ color: oklch(29.4% 0.165 271.8);

Tailwind

colors: {
  custom: {
    50: '#6954a3',
    500: '#18137c',
    950: '#000000',
  },
}

SCSS

$custom: #18137c;
$custom-light: #6954a3;
$custom-dark: #000000;

JSON

{
  "hex": "#18137c",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 124
  },
  "hsl": {
    "h": 242.857,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.29374,
    "c": 0.16486,
    "h": 271.8
  },
  "luminance": 0.02115
}

Semantic roles & 50–950 ramp

primary

#18137C

secondary

#ACB239

accent

#F038E7

background

#F6F5FA

surface

#ECE8F4

border

#C7C4CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #18137C

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

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