#150C4E#150C4E

#150C4E is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.5% C 0.113 H 278.5°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#150C4E
RGB	rgb(21, 12, 78)
HSL	hsl(248, 73%, 18%)
HSV	hsv(248, 85%, 31%)
CMYK	cmyk(73.1%, 84.6%, 0%, 69.4%)
CIE-LAB	lab(8.76, 26.94, -38.56)
CIE-LCH	lch(8.76, 47.03, 304.94°)
OKLab	oklab(22.53% 0.0166 -0.1114)
OKLCH	oklch(22.53% 0.113 278.5)
XYZ	xyz(1.8154, 0.9723, 7.2982)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#150C4E #454E0C

analogous

#0C244E #150C4E #360C4E

triadic

#150C4E #4E150C #0C4E15

tetradic

#150C4E #4E0C24 #454E0C #0C4E36

square

#150C4E #4E0C24 #454E0C #0C4E36

split-complementary

#150C4E #4E360C #244E0C

monochromatic

#07041B #07041B #150C4E #231483 #321CB8

Accessibility & contrast

On white

17.58

#150C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#150C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #150C4E

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##150C4E	#FFFFFF	#000000	##FFFFFF
##150C4E	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C50

Deuteranopia (green-blind)

#00164D

Tritanopia (blue-blind)

#00202D

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #150c4e;
/* rgb */ color: rgb(21, 12, 78);
/* oklch */ color: oklch(22.5% 0.113 278.5);

Tailwind

colors: {
  custom: {
    50: '#5c4c80',
    500: '#150c4e',
    950: '#000000',
  },
}

SCSS

$custom: #150c4e;
$custom-light: #5c4c80;
$custom-dark: #000000;

JSON

{
  "hex": "#150c4e",
  "rgb": {
    "r": 21,
    "g": 12,
    "b": 78
  },
  "hsl": {
    "h": 248.182,
    "s": 73.333,
    "l": 17.647
  },
  "oklch": {
    "l": 0.22532,
    "c": 0.11259,
    "h": 278.5
  },
  "luminance": 0.00972
}

Semantic roles & 50–950 ramp

primary

#150C4E

secondary

#7D8A2C

accent

#F038D7

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #150C4E

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

Preview Lab → · Contrast checker → · Palette generator →