#151C5C#151C5C

#151C5C is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.9% C 0.113 H 271.5°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#151C5C
RGB	rgb(21, 28, 92)
HSL	hsl(234, 63%, 22%)
HSV	hsv(234, 77%, 36%)
CMYK	cmyk(77.2%, 69.6%, 0%, 63.9%)
CIE-LAB	lab(14.19, 21.60, -39.15)
CIE-LCH	lch(14.19, 44.71, 298.89°)
OKLab	oklab(26.89% 0.0029 -0.1131)
OKLCH	oklch(26.89% 0.113 271.5)
XYZ	xyz(2.6556, 1.7624, 10.3234)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C5C #5C5515

analogous

#153F5C #151C5C #32155C

triadic

#151C5C #5C151C #1C5C15

tetradic

#151C5C #5C153F #5C5515 #155C32

square

#151C5C #5C153F #5C5515 #155C32

split-complementary

#151C5C #5C3215 #3F5C15

monochromatic

#060819 #0A0D2A #151C5C #202B8E #2C3AC0

Accessibility & contrast

On white

15.53

#151C5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#151C5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C5C

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C5C	#FFFFFF	#000000	##FFFFFF
##151C5C	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275E

Deuteranopia (green-blind)

#00215B

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151c5c;
/* rgb */ color: rgb(21, 28, 92);
/* oklch */ color: oklch(26.9% 0.113 271.5);

Tailwind

colors: {
  custom: {
    50: '#5f588b',
    500: '#151c5c',
    950: '#000000',
  },
}

SCSS

$custom: #151c5c;
$custom-light: #5f588b;
$custom-dark: #000000;

JSON

{
  "hex": "#151c5c",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 92
  },
  "hsl": {
    "h": 234.085,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.26892,
    "c": 0.11317,
    "h": 271.5
  },
  "luminance": 0.01763
}

Semantic roles & 50–950 ramp

primary

#151C5C

secondary

#938B39

accent

#D642E6

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #151C5C

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

Preview Lab → · Contrast checker → · Palette generator →