#150B56#150B56

#150B56 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.4% C 0.124 H 276.8°. Best body text is #FFFFFF at 17.30:1 contrast (WCAG AA passes).

Color values

HEX	#150B56
RGB	rgb(21, 11, 86)
HSL	hsl(248, 77%, 19%)
HSV	hsv(248, 87%, 34%)
CMYK	cmyk(75.6%, 87.2%, 0%, 66.3%)
CIE-LAB	lab(9.57, 30.29, -42.71)
CIE-LCH	lch(9.57, 52.36, 305.34°)
OKLab	oklab(23.39% 0.0147 -0.1234)
OKLCH	oklch(23.39% 0.124 276.8)
XYZ	xyz(2.1081, 1.0705, 8.8978)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150B56 #4C560B

analogous

#0B2756 #150B56 #3B0B56

triadic

#150B56 #56150B #0B5615

tetradic

#150B56 #560B27 #4C560B #0B563B

square

#150B56 #560B27 #4C560B #0B563B

split-complementary

#150B56 #563B0B #27560B

monochromatic

#07031B #080420 #150B56 #22128C #2F19C3

Accessibility & contrast

On white

17.30

#150B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#150B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150B56

17.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150B56	#FFFFFF	#000000	##FFFFFF
##150B56	1.00	17.30	1.21	17.30
#FFFFFF	17.30	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E58

Deuteranopia (green-blind)

#001755

Tritanopia (blue-blind)

#002231

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #150b56;
/* rgb */ color: rgb(21, 11, 86);
/* oklch */ color: oklch(23.4% 0.124 276.8);

Tailwind

colors: {
  custom: {
    50: '#5f4c87',
    500: '#150b56',
    950: '#000000',
  },
}

SCSS

$custom: #150b56;
$custom-light: #5f4c87;
$custom-dark: #000000;

JSON

{
  "hex": "#150b56",
  "rgb": {
    "r": 21,
    "g": 11,
    "b": 86
  },
  "hsl": {
    "h": 248,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23389,
    "c": 0.12431,
    "h": 276.8
  },
  "luminance": 0.01071
}

Semantic roles & 50–950 ramp

primary

#150B56

secondary

#84912B

accent

#F434DA

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #150B56

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

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