#18138C#18138C

#18138C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.184 H 270.4°. Best body text is #FFFFFF at 13.90:1 contrast (WCAG AA passes).

Color values

HEX	#18138C
RGB	rgb(24, 19, 140)
HSL	hsl(242, 76%, 31%)
HSV	hsv(242, 86%, 55%)
CMYK	cmyk(82.9%, 86.4%, 0%, 45.1%)
CIE-LAB	lab(18.16, 44.30, -63.61)
CIE-LCH	lch(18.16, 77.51, 304.85°)
OKLab	oklab(31.4% 0.0012 -0.1841)
OKLCH	oklch(31.4% 0.184 270.4)
XYZ	xyz(5.3416, 2.5528, 25.0171)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18138C #878C13

analogous

#134A8C #18138C #54138C

triadic

#18138C #8C1813 #138C18

tetradic

#18138C #8C134A #878C13 #138C54

square

#18138C #8C134A #878C13 #138C54

split-complementary

#18138C #8C5413 #4A8C13

monochromatic

#060420 #0F0C56 #18138C #211AC2 #3D36E4

Accessibility & contrast

On white

13.90

#18138C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#18138C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18138C

13.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18138C	#FFFFFF	#000000	##FFFFFF
##18138C	1.00	13.90	1.51	13.90
#FFFFFF	13.90	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328F

Deuteranopia (green-blind)

#00268A

Tritanopia (blue-blind)

#003B52

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #18138c;
/* rgb */ color: rgb(24, 19, 140);
/* oklch */ color: oklch(31.4% 0.184 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e55af',
    500: '#18138c',
    950: '#000000',
  },
}

SCSS

$custom: #18138c;
$custom-light: #6e55af;
$custom-dark: #000000;

JSON

{
  "hex": "#18138c",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 140
  },
  "hsl": {
    "h": 242.479,
    "s": 76.101,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31402,
    "c": 0.18406,
    "h": 270.4
  },
  "luminance": 0.02553
}

Semantic roles & 50–950 ramp

primary

#18138C

secondary

#BBC03B

accent

#F335EB

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #18138C

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

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