#151C48#151C48

#151C48 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.9% C 0.082 H 272.2°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#151C48
RGB	rgb(21, 28, 72)
HSL	hsl(232, 55%, 18%)
HSV	hsv(232, 71%, 28%)
CMYK	cmyk(70.8%, 61.1%, 0%, 71.8%)
CIE-LAB	lab(12.34, 13.41, -28.55)
CIE-LCH	lch(12.34, 31.54, 295.16°)
OKLab	oklab(24.94% 0.0032 -0.082)
OKLCH	oklch(24.94% 0.082 272.2)
XYZ	xyz(1.8938, 1.4577, 6.3112)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C48 #484115

analogous

#153548 #151C48 #271548

triadic

#151C48 #48151C #1C4815

tetradic

#151C48 #481535 #484115 #154827

square

#151C48 #481535 #484115 #154827

split-complementary

#151C48 #482715 #354815

monochromatic

#070918 #070A19 #151C48 #232E77 #3141A7

Accessibility & contrast

On white

16.26

#151C48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151C48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C48

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C48	#FFFFFF	#000000	##FFFFFF
##151C48	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00234A

Deuteranopia (green-blind)

#001E47

Tritanopia (blue-blind)

#00262E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151c48;
/* rgb */ color: rgb(21, 28, 72);
/* oklch */ color: oklch(24.9% 0.082 272.2);

Tailwind

colors: {
  custom: {
    50: '#59577b',
    500: '#151c48',
    950: '#000000',
  },
}

SCSS

$custom: #151c48;
$custom-light: #59577b;
$custom-dark: #000000;

JSON

{
  "hex": "#151c48",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 72
  },
  "hsl": {
    "h": 231.765,
    "s": 54.839,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24944,
    "c": 0.08205,
    "h": 272.2
  },
  "luminance": 0.01458
}

Semantic roles & 50–950 ramp

primary

#151C48

secondary

#807639

accent

#CA4ADE

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #151C48

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

Preview Lab → · Contrast checker → · Palette generator →