#182E5E#182E5E

#182E5E is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.3% C 0.090 H 263.5°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#182E5E
RGB	rgb(24, 46, 94)
HSL	hsl(221, 59%, 23%)
HSV	hsv(221, 74%, 37%)
CMYK	cmyk(74.5%, 51.1%, 0%, 63.1%)
CIE-LAB	lab(19.87, 9.72, -31.25)
CIE-LCH	lch(19.87, 32.73, 287.27°)
OKLab	oklab(31.25% -0.0101 -0.0896)
OKLCH	oklch(31.25% 0.09 263.5)
XYZ	xyz(3.3734, 2.9560, 10.9803)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E5E #5E4818

analogous

#18515E #182E5E #25185E

triadic

#182E5E #5E182E #2E5E18

tetradic

#182E5E #5E1851 #5E4818 #185E25

square

#182E5E #5E1851 #5E4818 #185E25

split-complementary

#182E5E #5E2518 #515E18

monochromatic

#060C18 #0C162D #182E5E #24468F #315EC0

Accessibility & contrast

On white

13.20

#182E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#182E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E5E

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E5E	#FFFFFF	#000000	##FFFFFF
##182E5E	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143360

Deuteranopia (green-blind)

#042D5D

Tritanopia (blue-blind)

#003941

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #182e5e;
/* rgb */ color: rgb(24, 46, 94);
/* oklch */ color: oklch(31.3% 0.090 263.5);

Tailwind

colors: {
  custom: {
    50: '#5f668c',
    500: '#182e5e',
    950: '#000000',
  },
}

SCSS

$custom: #182e5e;
$custom-light: #5f668c;
$custom-dark: #000000;

JSON

{
  "hex": "#182e5e",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 94
  },
  "hsl": {
    "h": 221.143,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.31251,
    "c": 0.09016,
    "h": 263.5
  },
  "luminance": 0.02956
}

Semantic roles & 50–950 ramp

primary

#182E5E

secondary

#94793D

accent

#B145E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05050C

muted

#797A7D

Preview Lab

Preview with #182E5E

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

Preview Lab → · Contrast checker → · Palette generator →