#15105D#15105D

#15105D is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 24.9% C 0.129 H 274.6°. Best body text is #FFFFFF at 16.61:1 contrast (WCAG AA passes).

Color values

HEX	#15105D
RGB	rgb(21, 16, 93)
HSL	hsl(244, 71%, 21%)
HSV	hsv(244, 83%, 36%)
CMYK	cmyk(77.4%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(11.42, 29.92, -44.38)
CIE-LCH	lch(11.42, 53.53, 303.99°)
OKLab	oklab(24.94% 0.0103 -0.1284)
OKLCH	oklch(24.94% 0.129 274.6)
XYZ	xyz(2.4697, 1.3201, 10.4784)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15105D #585D10

analogous

#10325D #15105D #3C105D

triadic

#15105D #5D1510 #105D15

tetradic

#15105D #5D1032 #585D10 #105D3C

square

#15105D #5D1032 #585D10 #105D3C

split-complementary

#15105D #5D3C10 #325D10

monochromatic

#06041A #090729 #15105D #211991 #2D22C5

Accessibility & contrast

On white

16.61

#15105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#15105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15105D

16.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15105D	#FFFFFF	#000000	##FFFFFF
##15105D	1.00	16.61	1.26	16.61
#FFFFFF	16.61	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225F

Deuteranopia (green-blind)

#001B5C

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #15105d;
/* rgb */ color: rgb(21, 16, 93);
/* oklch */ color: oklch(24.9% 0.129 274.6);

Tailwind

colors: {
  custom: {
    50: '#60508c',
    500: '#15105d',
    950: '#000000',
  },
}

SCSS

$custom: #15105d;
$custom-light: #60508c;
$custom-dark: #000000;

JSON

{
  "hex": "#15105d",
  "rgb": {
    "r": 21,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 243.896,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.24937,
    "c": 0.12878,
    "h": 274.6
  },
  "luminance": 0.0132
}

Semantic roles & 50–950 ramp

primary

#15105D

secondary

#909633

accent

#ED3AE2

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#05020C

muted

#7A787D

Preview Lab

Preview with #15105D

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

Preview Lab → · Contrast checker → · Palette generator →