#182E58#182E58

#182E58 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.8% C 0.081 H 262.0°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#182E58
RGB	rgb(24, 46, 88)
HSL	hsl(219, 57%, 22%)
HSV	hsv(219, 73%, 35%)
CMYK	cmyk(72.7%, 47.7%, 0%, 65.5%)
CIE-LAB	lab(19.44, 7.23, -27.96)
CIE-LCH	lch(19.44, 28.88, 284.49°)
OKLab	oklab(30.79% -0.0113 -0.0799)
OKLCH	oklch(30.79% 0.081 262)
XYZ	xyz(3.1145, 2.8525, 9.6171)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E58 #584218

analogous

#184E58 #182E58 #221858

triadic

#182E58 #58182E #2E5818

tetradic

#182E58 #58184E #584218 #185822

square

#182E58 #58184E #584218 #185822

split-complementary

#182E58 #582218 #4E5818

monochromatic

#070D18 #0B1528 #182E58 #254788 #3260B8

Accessibility & contrast

On white

13.37

#182E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#182E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E58

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E58	#FFFFFF	#000000	##FFFFFF
##182E58	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A325A

Deuteranopia (green-blind)

#0F2C57

Tritanopia (blue-blind)

#00383E

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182e58;
/* rgb */ color: rgb(24, 46, 88);
/* oklch */ color: oklch(30.8% 0.081 262.0);

Tailwind

colors: {
  custom: {
    50: '#5d6687',
    500: '#182e58',
    950: '#000000',
  },
}

SCSS

$custom: #182e58;
$custom-light: #5d6687;
$custom-dark: #000000;

JSON

{
  "hex": "#182e58",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 88
  },
  "hsl": {
    "h": 219.375,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.30789,
    "c": 0.08069,
    "h": 262
  },
  "luminance": 0.02853
}

Semantic roles & 50–950 ramp

primary

#182E58

secondary

#8F733D

accent

#AC47E0

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05050B

muted

#797A7C

Preview Lab

Preview with #182E58

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

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