#18158F#18158F

#18158F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.186 H 270.0°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#18158F
RGB	rgb(24, 21, 143)
HSL	hsl(241, 74%, 32%)
HSV	hsv(241, 85%, 56%)
CMYK	cmyk(83.2%, 85.3%, 0%, 43.9%)
CIE-LAB	lab(18.86, 44.33, -64.32)
CIE-LCH	lch(18.86, 78.11, 304.58°)
OKLab	oklab(32% 0.0002 -0.1861)
OKLCH	oklch(32% 0.186 270)
XYZ	xyz(5.6011, 2.7130, 26.2097)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18158F #8C8F15

analogous

#154F8F #18158F #55158F

triadic

#18158F #8F1815 #158F18

tetradic

#18158F #8F154F #8C8F15 #158F55

square

#18158F #8F154F #8C8F15 #158F55

split-complementary

#18158F #8F5515 #4F8F15

monochromatic

#060524 #0F0D5A #18158F #211DC4 #403CE2

Accessibility & contrast

On white

13.61

#18158F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#18158F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18158F

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18158F	#FFFFFF	#000000	##FFFFFF
##18158F	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003492

Deuteranopia (green-blind)

#00278D

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #18158f;
/* rgb */ color: rgb(24, 21, 143);
/* oklch */ color: oklch(32.0% 0.186 270.0);

Tailwind

colors: {
  custom: {
    50: '#6e57b1',
    500: '#18158f',
    950: '#000000',
  },
}

SCSS

$custom: #18158f;
$custom-light: #6e57b1;
$custom-dark: #000000;

JSON

{
  "hex": "#18158f",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 143
  },
  "hsl": {
    "h": 241.475,
    "s": 74.39,
    "l": 32.157
  },
  "oklch": {
    "l": 0.31996,
    "c": 0.18615,
    "h": 270
  },
  "luminance": 0.02714
}

Semantic roles & 50–950 ramp

primary

#18158F

secondary

#BFC23E

accent

#F137EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #18158F

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

Preview Lab → · Contrast checker → · Palette generator →