#151D48#151D48

#151D48 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.081 H 271.5°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#151D48
RGB	rgb(21, 29, 72)
HSL	hsl(231, 55%, 18%)
HSV	hsv(231, 71%, 28%)
CMYK	cmyk(70.8%, 59.7%, 0%, 71.8%)
CIE-LAB	lab(12.65, 12.65, -28.05)
CIE-LCH	lch(12.65, 30.77, 294.28°)
OKLab	oklab(25.18% 0.0021 -0.0805)
OKLCH	oklch(25.18% 0.081 271.5)
XYZ	xyz(1.9179, 1.5059, 6.3192)
Luminance	0.0151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D48 #484015

analogous

#153648 #151D48 #261548

triadic

#151D48 #48151D #1D4815

tetradic

#151D48 #481536 #484015 #154826

square

#151D48 #481536 #484015 #154826

split-complementary

#151D48 #482615 #364815

monochromatic

#070A18 #070A19 #151D48 #233077 #3143A7

Accessibility & contrast

On white

16.14

#151D48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#151D48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D48

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D48	#FFFFFF	#000000	##FFFFFF
##151D48	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03234A

Deuteranopia (green-blind)

#001F47

Tritanopia (blue-blind)

#00272F

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #151d48;
/* rgb */ color: rgb(21, 29, 72);
/* oklch */ color: oklch(25.2% 0.081 271.5);

Tailwind

colors: {
  custom: {
    50: '#59587b',
    500: '#151d48',
    950: '#000000',
  },
}

SCSS

$custom: #151d48;
$custom-light: #59587b;
$custom-dark: #000000;

JSON

{
  "hex": "#151d48",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 72
  },
  "hsl": {
    "h": 230.588,
    "s": 54.839,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25177,
    "c": 0.08054,
    "h": 271.5
  },
  "luminance": 0.01506
}

Semantic roles & 50–950 ramp

primary

#151D48

secondary

#807539

accent

#C74ADE

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#040309

muted

#79787B

Preview Lab

Preview with #151D48

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

Preview Lab → · Contrast checker → · Palette generator →