#15188D#15188D

#15188D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.9% C 0.182 H 269.0°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#15188D
RGB	rgb(21, 24, 141)
HSL	hsl(239, 74%, 32%)
HSV	hsv(239, 85%, 55%)
CMYK	cmyk(85.1%, 83%, 0%, 44.7%)
CIE-LAB	lab(18.95, 42.07, -62.92)
CIE-LCH	lch(18.95, 75.68, 303.77°)
OKLab	oklab(31.95% -0.0032 -0.1822)
OKLCH	oklch(31.95% 0.182 269)
XYZ	xyz(5.4420, 2.7351, 25.4353)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15188D #8D8A15

analogous

#15548D #15188D #4E158D

triadic

#15188D #8D1518 #188D15

tetradic

#15188D #8D1554 #8D8A15 #158D4E

square

#15188D #8D1554 #8D8A15 #158D4E

split-complementary

#15188D #8D4E15 #548D15

monochromatic

#050622 #0D0F58 #15188D #1D21C2 #3B3FE2

Accessibility & contrast

On white

13.57

#15188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#15188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15188D

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15188D	#FFFFFF	#000000	##FFFFFF
##15188D	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003490

Deuteranopia (green-blind)

#00288B

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15188d;
/* rgb */ color: rgb(21, 24, 141);
/* oklch */ color: oklch(31.9% 0.182 269.0);

Tailwind

colors: {
  custom: {
    50: '#6d58b0',
    500: '#15188d',
    950: '#000000',
  },
}

SCSS

$custom: #15188d;
$custom-light: #6d58b0;
$custom-dark: #000000;

JSON

{
  "hex": "#15188d",
  "rgb": {
    "r": 21,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 238.5,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31948,
    "c": 0.18224,
    "h": 269
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#15188D

secondary

#C1BD3D

accent

#EC37F1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #15188D

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

Preview Lab → · Contrast checker → · Palette generator →