#150B4D#150B4D

#150B4D is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 22.3% C 0.112 H 279.0°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#150B4D
RGB	rgb(21, 11, 77)
HSL	hsl(249, 75%, 17%)
HSV	hsv(249, 86%, 30%)
CMYK	cmyk(72.7%, 85.7%, 0%, 69.8%)
CIE-LAB	lab(8.43, 27.17, -38.40)
CIE-LCH	lch(8.43, 47.04, 305.28°)
OKLab	oklab(22.27% 0.0176 -0.1109)
OKLCH	oklch(22.27% 0.112 279)
XYZ	xyz(1.7681, 0.9344, 7.1069)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.85

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150B4D #434D0B

analogous

#0B224D #150B4D #360B4D

triadic

#150B4D #4D150B #0B4D15

tetradic

#150B4D #4D0B22 #434D0B #0B4D36

square

#150B4D #4D0B22 #434D0B #0B4D36

split-complementary

#150B4D #4D360B #224D0B

monochromatic

#07041B #07041B #150B4D #241383 #321AB8

Accessibility & contrast

On white

17.69

#150B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#150B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150B4D

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150B4D	#FFFFFF	#000000	##FFFFFF
##150B4D	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4F

Deuteranopia (green-blind)

#00164C

Tritanopia (blue-blind)

#001F2C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #150b4d;
/* rgb */ color: rgb(21, 11, 77);
/* oklch */ color: oklch(22.3% 0.112 279.0);

Tailwind

colors: {
  custom: {
    50: '#5c4c80',
    500: '#150b4d',
    950: '#000000',
  },
}

SCSS

$custom: #150b4d;
$custom-light: #5c4c80;
$custom-dark: #000000;

JSON

{
  "hex": "#150b4d",
  "rgb": {
    "r": 21,
    "g": 11,
    "b": 77
  },
  "hsl": {
    "h": 249.091,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22268,
    "c": 0.11228,
    "h": 279
  },
  "luminance": 0.00935
}

Semantic roles & 50–950 ramp

primary

#150B4D

secondary

#7B892B

accent

#F236D5

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #150B4D

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

Preview Lab → · Contrast checker → · Palette generator →