#182E59#182E59

#182E59 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 30.9% C 0.082 H 262.3°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#182E59
RGB	rgb(24, 46, 89)
HSL	hsl(220, 58%, 22%)
HSV	hsv(220, 73%, 35%)
CMYK	cmyk(73%, 48.3%, 0%, 65.1%)
CIE-LAB	lab(19.51, 7.64, -28.51)
CIE-LCH	lch(19.51, 29.52, 285.00°)
OKLab	oklab(30.87% -0.0111 -0.0815)
OKLCH	oklch(30.87% 0.082 262.3)
XYZ	xyz(3.1562, 2.8691, 9.8367)
Luminance	0.0287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E59 #594318

analogous

#184F59 #182E59 #221859

triadic

#182E59 #59182E #2E5918

tetradic

#182E59 #59184F #594318 #185922

square

#182E59 #59184F #594318 #185922

split-complementary

#182E59 #592218 #4F5918

monochromatic

#060C18 #0B1529 #182E59 #254789 #3260B9

Accessibility & contrast

On white

13.34

#182E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#182E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E59

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E59	#FFFFFF	#000000	##FFFFFF
##182E59	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19325B

Deuteranopia (green-blind)

#0D2C58

Tritanopia (blue-blind)

#00383F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #182e59;
/* rgb */ color: rgb(24, 46, 89);
/* oklch */ color: oklch(30.9% 0.082 262.3);

Tailwind

colors: {
  custom: {
    50: '#5e6688',
    500: '#182e59',
    950: '#000000',
  },
}

SCSS

$custom: #182e59;
$custom-light: #5e6688;
$custom-dark: #000000;

JSON

{
  "hex": "#182e59",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 89
  },
  "hsl": {
    "h": 219.692,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.30865,
    "c": 0.08228,
    "h": 262.3
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#182E59

secondary

#90743D

accent

#AD47E1

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05050B

muted

#797A7C

Preview Lab

Preview with #182E59

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

Preview Lab → · Contrast checker → · Palette generator →