#151F63#151F63

#151F63 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.2% C 0.120 H 270.1°. Best body text is #FFFFFF at 14.91:1 contrast (WCAG AA passes).

Color values

HEX	#151F63
RGB	rgb(21, 31, 99)
HSL	hsl(232, 65%, 24%)
HSV	hsv(232, 79%, 39%)
CMYK	cmyk(78.8%, 68.7%, 0%, 61.2%)
CIE-LAB	lab(15.70, 22.28, -41.34)
CIE-LCH	lch(15.70, 46.96, 298.33°)
OKLab	oklab(28.21% 0.0003 -0.1195)
OKLCH	oklch(28.21% 0.12 270.1)
XYZ	xyz(3.0506, 2.0399, 12.0349)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F63 #635915

analogous

#154663 #151F63 #321563

triadic

#151F63 #63151F #1F6315

tetradic

#151F63 #631546 #635915 #156332

square

#151F63 #631546 #635915 #156332

split-complementary

#151F63 #633215 #466315

monochromatic

#050819 #0A0F31 #151F63 #202F95 #2A3FC8

Accessibility & contrast

On white

14.91

#151F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#151F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F63

14.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F63	#FFFFFF	#000000	##FFFFFF
##151F63	1.00	14.91	1.41	14.91
#FFFFFF	14.91	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B65

Deuteranopia (green-blind)

#002462

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151f63;
/* rgb */ color: rgb(21, 31, 99);
/* oklch */ color: oklch(28.2% 0.120 270.1);

Tailwind

colors: {
  custom: {
    50: '#605a90',
    500: '#151f63',
    950: '#000000',
  },
}

SCSS

$custom: #151f63;
$custom-light: #605a90;
$custom-dark: #000000;

JSON

{
  "hex": "#151f63",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 99
  },
  "hsl": {
    "h": 232.308,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28211,
    "c": 0.11951,
    "h": 270.1
  },
  "luminance": 0.0204
}

Semantic roles & 50–950 ramp

primary

#151F63

secondary

#9A8E3A

accent

#D240E8

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05040D

muted

#7A797D

Preview Lab

Preview with #151F63

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

Preview Lab → · Contrast checker → · Palette generator →