#152B57#152B57

#152B57 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.8% C 0.084 H 262.5°. Best body text is #FFFFFF at 13.86:1 contrast (WCAG AA passes).

Color values

HEX	#152B57
RGB	rgb(21, 43, 87)
HSL	hsl(220, 61%, 21%)
HSV	hsv(220, 76%, 34%)
CMYK	cmyk(75.9%, 50.6%, 0%, 65.9%)
CIE-LAB	lab(18.25, 8.46, -29.21)
CIE-LCH	lch(18.25, 30.41, 286.16°)
OKLab	oklab(29.81% -0.0111 -0.0837)
OKLCH	oklch(29.81% 0.084 262.5)
XYZ	xyz(2.8928, 2.5750, 9.3595)
Luminance	0.0257 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152B57 #574115

analogous

#154C57 #152B57 #201557

triadic

#152B57 #57152B #2B5715

tetradic

#152B57 #57154C #574115 #155720

square

#152B57 #57154C #574115 #155720

split-complementary

#152B57 #572015 #4C5715

monochromatic

#060C19 #091326 #152B57 #214388 #2D5CBA

Accessibility & contrast

On white

13.86

#152B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#152B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B57

13.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152B57	#FFFFFF	#000000	##FFFFFF
##152B57	1.00	13.86	1.52	13.86
#FFFFFF	13.86	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143059

Deuteranopia (green-blind)

#062A56

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #152b57;
/* rgb */ color: rgb(21, 43, 87);
/* oklch */ color: oklch(29.8% 0.084 262.5);

Tailwind

colors: {
  custom: {
    50: '#5c6387',
    500: '#152b57',
    950: '#000000',
  },
}

SCSS

$custom: #152b57;
$custom-light: #5c6387;
$custom-dark: #000000;

JSON

{
  "hex": "#152b57",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 87
  },
  "hsl": {
    "h": 220,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.29812,
    "c": 0.08441,
    "h": 262.5
  },
  "luminance": 0.02575
}

Semantic roles & 50–950 ramp

primary

#152B57

secondary

#8F7239

accent

#AF44E4

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #152B57

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

Preview Lab → · Contrast checker → · Palette generator →