#182E57#182E57

#182E57 is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.7% C 0.079 H 261.7°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#182E57
RGB	rgb(24, 46, 87)
HSL	hsl(219, 57%, 22%)
HSV	hsv(219, 72%, 34%)
CMYK	cmyk(72.4%, 47.1%, 0%, 65.9%)
CIE-LAB	lab(19.37, 6.82, -27.40)
CIE-LCH	lch(19.37, 28.24, 283.97°)
OKLab	oklab(30.71% -0.0115 -0.0783)
OKLCH	oklch(30.71% 0.079 261.7)
XYZ	xyz(3.0734, 2.8360, 9.4004)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E57 #574118

analogous

#184E57 #182E57 #221857

triadic

#182E57 #57182E #2E5718

tetradic

#182E57 #57184E #574118 #185722

square

#182E57 #57184E #574118 #185722

split-complementary

#182E57 #572218 #4E5718

monochromatic

#070D18 #0B1527 #182E57 #254787 #3261B7

Accessibility & contrast

On white

13.40

#182E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#182E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E57

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E57	#FFFFFF	#000000	##FFFFFF
##182E57	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3259

Deuteranopia (green-blind)

#102C56

Tritanopia (blue-blind)

#00373E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182e57;
/* rgb */ color: rgb(24, 46, 87);
/* oklch */ color: oklch(30.7% 0.079 261.7);

Tailwind

colors: {
  custom: {
    50: '#5d6687',
    500: '#182e57',
    950: '#000000',
  },
}

SCSS

$custom: #182e57;
$custom-light: #5d6687;
$custom-dark: #000000;

JSON

{
  "hex": "#182e57",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 87
  },
  "hsl": {
    "h": 219.048,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.30715,
    "c": 0.07911,
    "h": 261.7
  },
  "luminance": 0.02836
}

Semantic roles & 50–950 ramp

primary

#182E57

secondary

#8E723D

accent

#AB48E0

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05050B

muted

#797A7C

Preview Lab

Preview with #182E57

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

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