#18138D#18138D

#18138D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.5% C 0.185 H 270.3°. Best body text is #FFFFFF at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#18138D
RGB	rgb(24, 19, 141)
HSL	hsl(242, 76%, 31%)
HSV	hsv(242, 87%, 55%)
CMYK	cmyk(83%, 86.5%, 0%, 44.7%)
CIE-LAB	lab(18.29, 44.61, -64.01)
CIE-LCH	lch(18.29, 78.03, 304.87°)
OKLab	oklab(31.53% 0.001 -0.1852)
OKLCH	oklch(31.53% 0.185 270.3)
XYZ	xyz(5.4157, 2.5824, 25.4072)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18138D #888D13

analogous

#134B8D #18138D #55138D

triadic

#18138D #8D1813 #138D18

tetradic

#18138D #8D134B #888D13 #138D55

square

#18138D #8D134B #888D13 #138D55

split-complementary

#18138D #8D5513 #4B8D13

monochromatic

#060421 #0F0C57 #18138D #211AC3 #3E36E4

Accessibility & contrast

On white

13.85

#18138D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#18138D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18138D

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18138D	#FFFFFF	#000000	##FFFFFF
##18138D	1.00	13.85	1.52	13.85
#FFFFFF	13.85	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00268B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18138d;
/* rgb */ color: rgb(24, 19, 141);
/* oklch */ color: oklch(31.5% 0.185 270.3);

Tailwind

colors: {
  custom: {
    50: '#6e56b0',
    500: '#18138d',
    950: '#000000',
  },
}

SCSS

$custom: #18138d;
$custom-light: #6e56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18138d",
  "rgb": {
    "r": 24,
    "g": 19,
    "b": 141
  },
  "hsl": {
    "h": 242.459,
    "s": 76.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3153,
    "c": 0.18524,
    "h": 270.3
  },
  "luminance": 0.02583
}

Semantic roles & 50–950 ramp

primary

#18138D

secondary

#BCC13B

accent

#F335EB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #18138D

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

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