#15158D#15158D

#15158D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.6% C 0.185 H 269.2°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#15158D
RGB	rgb(21, 21, 141)
HSL	hsl(240, 74%, 32%)
HSV	hsv(240, 85%, 55%)
CMYK	cmyk(85.1%, 85.1%, 0%, 44.7%)
CIE-LAB	lab(18.45, 43.55, -63.76)
CIE-LCH	lch(18.45, 77.21, 304.34°)
OKLab	oklab(31.6% -0.0027 -0.1846)
OKLCH	oklch(31.6% 0.185 269.2)
XYZ	xyz(5.3835, 2.6182, 25.4158)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15158D #8D8D15

analogous

#15518D #15158D #51158D

triadic

#15158D #8D1515 #158D15

tetradic

#15158D #8D1551 #8D8D15 #158D51

square

#15158D #8D1551 #8D8D15 #158D51

split-complementary

#15158D #8D5115 #518D15

monochromatic

#050522 #0D0D58 #15158D #1D1DC2 #3B3BE2

Accessibility & contrast

On white

13.78

#15158D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#15158D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15158D

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15158D	#FFFFFF	#000000	##FFFFFF
##15158D	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00268B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #15158d;
/* rgb */ color: rgb(21, 21, 141);
/* oklch */ color: oklch(31.6% 0.185 269.2);

Tailwind

colors: {
  custom: {
    50: '#6d56b0',
    500: '#15158d',
    950: '#000000',
  },
}

SCSS

$custom: #15158d;
$custom-light: #6d56b0;
$custom-dark: #000000;

JSON

{
  "hex": "#15158d",
  "rgb": {
    "r": 21,
    "g": 21,
    "b": 141
  },
  "hsl": {
    "h": 240,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31597,
    "c": 0.1846,
    "h": 269.2
  },
  "luminance": 0.02619
}

Semantic roles & 50–950 ramp

primary

#15158D

secondary

#C1C13D

accent

#F137F1

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #15158D

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

Preview Lab → · Contrast checker → · Palette generator →