#151D45#151D45

#151D45 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.9% C 0.076 H 271.4°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#151D45
RGB	rgb(21, 29, 69)
HSL	hsl(230, 53%, 18%)
HSV	hsv(230, 70%, 27%)
CMYK	cmyk(69.6%, 58%, 0%, 72.9%)
CIE-LAB	lab(12.40, 11.41, -26.36)
CIE-LCH	lch(12.40, 28.72, 293.40°)
OKLab	oklab(24.92% 0.0018 -0.0755)
OKLCH	oklch(24.92% 0.076 271.4)
XYZ	xyz(1.8224, 1.4677, 5.8163)
Luminance	0.0147 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D45 #453D15

analogous

#153545 #151D45 #251545

triadic

#151D45 #45151D #1D4515

tetradic

#151D45 #451535 #453D15 #154525

square

#151D45 #451535 #453D15 #154525

split-complementary

#151D45 #452515 #354515

monochromatic

#070A17 #070A17 #151D45 #233174 #3244A3

Accessibility & contrast

On white

16.23

#151D45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#151D45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D45

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D45	#FFFFFF	#000000	##FFFFFF
##151D45	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062346

Deuteranopia (green-blind)

#001E44

Tritanopia (blue-blind)

#00262D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #151d45;
/* rgb */ color: rgb(21, 29, 69);
/* oklch */ color: oklch(24.9% 0.076 271.4);

Tailwind

colors: {
  custom: {
    50: '#585879',
    500: '#151d45',
    950: '#000000',
  },
}

SCSS

$custom: #151d45;
$custom-light: #585879;
$custom-dark: #000000;

JSON

{
  "hex": "#151d45",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 69
  },
  "hsl": {
    "h": 230,
    "s": 53.333,
    "l": 17.647
  },
  "oklch": {
    "l": 0.24915,
    "c": 0.07556,
    "h": 271.4
  },
  "luminance": 0.01468
}

Semantic roles & 50–950 ramp

primary

#151D45

secondary

#7D7239

accent

#C44BDD

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151D45

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

Preview Lab → · Contrast checker → · Palette generator →