#18158D#18158D

#18158D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.184 H 270.2°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#18158D
RGB	rgb(24, 21, 141)
HSL	hsl(242, 74%, 32%)
HSV	hsv(242, 85%, 55%)
CMYK	cmyk(83%, 85.1%, 0%, 44.7%)
CIE-LAB	lab(18.60, 43.69, -63.50)
CIE-LCH	lch(18.60, 77.08, 304.53°)
OKLab	oklab(31.74% 0.0006 -0.1838)
OKLCH	oklch(31.74% 0.184 270.2)
XYZ	xyz(5.4509, 2.6530, 25.4189)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18158D #8A8D15

analogous

#154E8D #18158D #54158D

triadic

#18158D #8D1815 #158D18

tetradic

#18158D #8D154E #8A8D15 #158D54

square

#18158D #8D154E #8A8D15 #158D54

split-complementary

#18158D #8D5415 #4E8D15

monochromatic

#060522 #0F0D58 #18158D #211DC2 #3F3BE2

Accessibility & contrast

On white

13.72

#18158D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#18158D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18158D

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18158D	#FFFFFF	#000000	##FFFFFF
##18158D	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00278B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #18158d;
/* rgb */ color: rgb(24, 21, 141);
/* oklch */ color: oklch(31.7% 0.184 270.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18158d",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 141
  },
  "hsl": {
    "h": 241.5,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31744,
    "c": 0.18379,
    "h": 270.2
  },
  "luminance": 0.02654
}

Semantic roles & 50–950 ramp

primary

#18158D

secondary

#BDC13D

accent

#F137EC

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #18158D

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

Preview Lab → · Contrast checker → · Palette generator →