#18158E#18158E

#18158E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.185 H 270.1°. Best body text is #FFFFFF at 13.66:1 contrast (WCAG AA passes).

Color values

HEX	#18158E
RGB	rgb(24, 21, 142)
HSL	hsl(241, 74%, 32%)
HSV	hsv(241, 85%, 56%)
CMYK	cmyk(83.1%, 85.2%, 0%, 44.3%)
CIE-LAB	lab(18.73, 44.01, -63.91)
CIE-LCH	lch(18.73, 77.60, 304.55°)
OKLab	oklab(31.87% 0.0004 -0.185)
OKLCH	oklch(31.87% 0.185 270.1)
XYZ	xyz(5.5257, 2.6829, 25.8126)
Luminance	0.0268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18158E #8B8E15

analogous

#154E8E #18158E #55158E

triadic

#18158E #8E1815 #158E18

tetradic

#18158E #8E154E #8B8E15 #158E55

square

#18158E #8E154E #8B8E15 #158E55

split-complementary

#18158E #8E5515 #4E8E15

monochromatic

#060523 #0F0D59 #18158E #211DC3 #3F3BE2

Accessibility & contrast

On white

13.66

#18158E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#18158E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18158E

13.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18158E	#FFFFFF	#000000	##FFFFFF
##18158E	1.00	13.66	1.54	13.66
#FFFFFF	13.66	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00278C

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18158e;
/* rgb */ color: rgb(24, 21, 142);
/* oklch */ color: oklch(31.9% 0.185 270.1);

Tailwind

colors: {
  custom: {
    50: '#6e57b0',
    500: '#18158e',
    950: '#000000',
  },
}

SCSS

$custom: #18158e;
$custom-light: #6e57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#18158e",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 142
  },
  "hsl": {
    "h": 241.488,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3187,
    "c": 0.18497,
    "h": 270.1
  },
  "luminance": 0.02684
}

Semantic roles & 50–950 ramp

primary

#18158E

secondary

#BEC23D

accent

#F137EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #18158E

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

Preview Lab → · Contrast checker → · Palette generator →