#182F61#182F61

#182F61 is a dark, moderate blue. Relative luminance 0.031; OKLCH L 31.7% C 0.093 H 263.4°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#182F61
RGB	rgb(24, 47, 97)
HSL	hsl(221, 60%, 24%)
HSV	hsv(221, 75%, 38%)
CMYK	cmyk(75.3%, 51.5%, 0%, 62%)
CIE-LAB	lab(20.40, 10.24, -32.37)
CIE-LCH	lch(20.40, 33.95, 287.55°)
OKLab	oklab(31.73% -0.0107 -0.0928)
OKLCH	oklch(31.73% 0.093 263.4)
XYZ	xyz(3.5501, 3.0899, 11.7163)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F61 #614A18

analogous

#185361 #182F61 #251861

triadic

#182F61 #61182F #2F6118

tetradic

#182F61 #611853 #614A18 #186125

square

#182F61 #611853 #614A18 #186125

split-complementary

#182F61 #612518 #536118

monochromatic

#060C19 #0C1730 #182F61 #244792 #305FC3

Accessibility & contrast

On white

12.98

#182F61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#182F61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F61

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F61	#FFFFFF	#000000	##FFFFFF
##182F61	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#143563

Deuteranopia (green-blind)

#022E60

Tritanopia (blue-blind)

#003B43

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #182f61;
/* rgb */ color: rgb(24, 47, 97);
/* oklch */ color: oklch(31.7% 0.093 263.4);

Tailwind

colors: {
  custom: {
    50: '#5f678e',
    500: '#182f61',
    950: '#000000',
  },
}

SCSS

$custom: #182f61;
$custom-light: #5f678e;
$custom-dark: #000000;

JSON

{
  "hex": "#182f61",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 97
  },
  "hsl": {
    "h": 221.096,
    "s": 60.331,
    "l": 23.725
  },
  "oklch": {
    "l": 0.3173,
    "c": 0.09346,
    "h": 263.4
  },
  "luminance": 0.0309
}

Semantic roles & 50–950 ramp

primary

#182F61

secondary

#977B3D

accent

#B144E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #182F61

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

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