#151F49#151F49

#151F49 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.079 H 269.9°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#151F49
RGB	rgb(21, 31, 73)
HSL	hsl(228, 55%, 18%)
HSV	hsv(228, 71%, 29%)
CMYK	cmyk(71.2%, 57.5%, 0%, 71.4%)
CIE-LAB	lab(13.35, 11.55, -27.59)
CIE-LCH	lch(13.35, 29.91, 292.71°)
OKLab	oklab(25.74% -0.0001 -0.0791)
OKLCH	oklch(25.74% 0.079 269.9)
XYZ	xyz(2.0014, 1.6203, 6.5093)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F49 #493F15

analogous

#153949 #151F49 #251549

triadic

#151F49 #49151F #1F4915

tetradic

#151F49 #491539 #493F15 #154925

square

#151F49 #491539 #493F15 #154925

split-complementary

#151F49 #492515 #394915

monochromatic

#070A18 #070B19 #151F49 #233379 #3047A8

Accessibility & contrast

On white

15.86

#151F49 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151F49 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F49

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F49	#FFFFFF	#000000	##FFFFFF
##151F49	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06254A

Deuteranopia (green-blind)

#002048

Tritanopia (blue-blind)

#002930

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151f49;
/* rgb */ color: rgb(21, 31, 73);
/* oklch */ color: oklch(25.7% 0.079 269.9);

Tailwind

colors: {
  custom: {
    50: '#595a7c',
    500: '#151f49',
    950: '#000000',
  },
}

SCSS

$custom: #151f49;
$custom-light: #595a7c;
$custom-dark: #000000;

JSON

{
  "hex": "#151f49",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 73
  },
  "hsl": {
    "h": 228.462,
    "s": 55.319,
    "l": 18.431
  },
  "oklch": {
    "l": 0.25736,
    "c": 0.07915,
    "h": 269.9
  },
  "luminance": 0.0162
}

Semantic roles & 50–950 ramp

primary

#151F49

secondary

#817339

accent

#C249DF

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #151F49

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

Preview Lab → · Contrast checker → · Palette generator →