#18158C#18158C

#18158C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.183 H 270.3°. Best body text is #FFFFFF at 13.77:1 contrast (WCAG AA passes).

Color values

HEX	#18158C
RGB	rgb(24, 21, 140)
HSL	hsl(242, 74%, 32%)
HSV	hsv(242, 85%, 55%)
CMYK	cmyk(82.9%, 85%, 0%, 45.1%)
CIE-LAB	lab(18.47, 43.38, -63.09)
CIE-LCH	lch(18.47, 76.56, 304.51°)
OKLab	oklab(31.62% 0.0009 -0.1826)
OKLCH	oklch(31.62% 0.183 270.3)
XYZ	xyz(5.3769, 2.6233, 25.0288)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18158C #898C15

analogous

#154E8C #18158C #54158C

triadic

#18158C #8C1815 #158C18

tetradic

#18158C #8C154E #898C15 #158C54

square

#18158C #8C154E #898C15 #158C54

split-complementary

#18158C #8C5415 #4E8C15

monochromatic

#060522 #0F0D57 #18158C #211DC1 #3E3AE1

Accessibility & contrast

On white

13.77

#18158C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#18158C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18158C

13.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18158C	#FFFFFF	#000000	##FFFFFF
##18158C	1.00	13.77	1.52	13.77
#FFFFFF	13.77	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338F

Deuteranopia (green-blind)

#00278A

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18158c;
/* rgb */ color: rgb(24, 21, 140);
/* oklch */ color: oklch(31.6% 0.183 270.3);

Tailwind

colors: {
  custom: {
    50: '#6e56af',
    500: '#18158c',
    950: '#000000',
  },
}

SCSS

$custom: #18158c;
$custom-light: #6e56af;
$custom-dark: #000000;

JSON

{
  "hex": "#18158c",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 140
  },
  "hsl": {
    "h": 241.513,
    "s": 73.913,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31617,
    "c": 0.1826,
    "h": 270.3
  },
  "luminance": 0.02624
}

Semantic roles & 50–950 ramp

primary

#18158C

secondary

#BDC03D

accent

#F137EC

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #18158C

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

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