#151A43#151A43

#151A43 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.077 H 273.9°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#151A43
RGB	rgb(21, 26, 67)
HSL	hsl(233, 52%, 17%)
HSV	hsv(233, 69%, 26%)
CMYK	cmyk(68.7%, 61.2%, 0%, 73.7%)
CIE-LAB	lab(11.30, 12.87, -26.74)
CIE-LCH	lch(11.30, 29.67, 295.71°)
OKLab	oklab(24.03% 0.0052 -0.0767)
OKLCH	oklch(24.03% 0.077 273.9)
XYZ	xyz(1.6914, 1.3033, 5.4715)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A43 #433E15

analogous

#153143 #151A43 #271543

triadic

#151A43 #43151A #1A4315

tetradic

#151A43 #431531 #433E15 #154327

square

#151A43 #431531 #433E15 #154327

split-complementary

#151A43 #432715 #314315

monochromatic

#070917 #070917 #151A43 #242C72 #323EA0

Accessibility & contrast

On white

16.66

#151A43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#151A43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A43

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A43	#FFFFFF	#000000	##FFFFFF
##151A43	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022044

Deuteranopia (green-blind)

#001C42

Tritanopia (blue-blind)

#00242B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #151a43;
/* rgb */ color: rgb(21, 26, 67);
/* oklch */ color: oklch(24.0% 0.077 273.9);

Tailwind

colors: {
  custom: {
    50: '#585677',
    500: '#151a43',
    950: '#000000',
  },
}

SCSS

$custom: #151a43;
$custom-light: #585677;
$custom-dark: #000000;

JSON

{
  "hex": "#151a43",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 67
  },
  "hsl": {
    "h": 233.478,
    "s": 52.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.24033,
    "c": 0.07688,
    "h": 273.9
  },
  "luminance": 0.01303
}

Semantic roles & 50–950 ramp

primary

#151A43

secondary

#7B7439

accent

#CC4CDC

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151A43

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

Preview Lab → · Contrast checker → · Palette generator →