#182157#182157

#182157 is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.6% C 0.098 H 271.3°. Best body text is #FFFFFF at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#182157
RGB	rgb(24, 33, 87)
HSL	hsl(231, 57%, 22%)
HSV	hsv(231, 72%, 34%)
CMYK	cmyk(72.4%, 62.1%, 0%, 65.9%)
CIE-LAB	lab(15.33, 16.39, -33.93)
CIE-LCH	lch(15.33, 37.68, 295.79°)
OKLab	oklab(27.64% 0.0023 -0.0977)
OKLCH	oklch(27.64% 0.098 271.3)
XYZ	xyz(2.6403, 1.9698, 9.2560)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182157 #574E18

analogous

#184157 #182157 #2F1857

triadic

#182157 #571821 #215718

tetradic

#182157 #571841 #574E18 #18572F

square

#182157 #571841 #574E18 #18572F

split-complementary

#182157 #572F18 #415718

monochromatic

#070918 #0B0F27 #182157 #253387 #3245B7

Accessibility & contrast

On white

15.06

#182157 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#182157 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182157

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182157	#FFFFFF	#000000	##FFFFFF
##182157	1.00	15.06	1.39	15.06
#FFFFFF	15.06	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002959

Deuteranopia (green-blind)

#002456

Tritanopia (blue-blind)

#002E38

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #182157;
/* rgb */ color: rgb(24, 33, 87);
/* oklch */ color: oklch(27.6% 0.098 271.3);

Tailwind

colors: {
  custom: {
    50: '#5e5c87',
    500: '#182157',
    950: '#000000',
  },
}

SCSS

$custom: #182157;
$custom-light: #5e5c87;
$custom-dark: #000000;

JSON

{
  "hex": "#182157",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 87
  },
  "hsl": {
    "h": 231.429,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.27641,
    "c": 0.0977,
    "h": 271.3
  },
  "luminance": 0.0197
}

Semantic roles & 50–950 ramp

primary

#182157

secondary

#8E823D

accent

#CA48E0

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05040B

muted

#79797C

Preview Lab

Preview with #182157

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

Preview Lab → · Contrast checker → · Palette generator →