#182F75#182F75

#182F75 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.4% C 0.124 H 266.0°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#182F75
RGB	rgb(24, 47, 117)
HSL	hsl(225, 66%, 28%)
HSV	hsv(225, 79%, 46%)
CMYK	cmyk(79.5%, 59.8%, 0%, 54.1%)
CIE-LAB	lab(21.98, 18.53, -42.75)
CIE-LCH	lch(21.98, 46.59, 293.43°)
OKLab	oklab(33.43% -0.0087 -0.1234)
OKLCH	oklch(33.43% 0.124 266)
XYZ	xyz(4.6030, 3.5111, 17.2613)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F75 #755E18

analogous

#185E75 #182F75 #2F1875

triadic

#182F75 #75182F #2F7518

tetradic

#182F75 #75185E #755E18 #18752F

square

#182F75 #75185E #755E18 #18752F

split-complementary

#182F75 #752F18 #5E7518

monochromatic

#050A19 #0E1B42 #182F75 #2243A8 #325BD5

Accessibility & contrast

On white

12.34

#182F75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#182F75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F75

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F75	#FFFFFF	#000000	##FFFFFF
##182F75	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003977

Deuteranopia (green-blind)

#003074

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182f75;
/* rgb */ color: rgb(24, 47, 117);
/* oklch */ color: oklch(33.4% 0.124 266.0);

Tailwind

colors: {
  custom: {
    50: '#65679d',
    500: '#182f75',
    950: '#000000',
  },
}

SCSS

$custom: #182f75;
$custom-light: #65679d;
$custom-dark: #000000;

JSON

{
  "hex": "#182f75",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 117
  },
  "hsl": {
    "h": 225.161,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33431,
    "c": 0.12369,
    "h": 266
  },
  "luminance": 0.03512
}

Semantic roles & 50–950 ramp

primary

#182F75

secondary

#AA903F

accent

#BF3FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #182F75

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

Preview Lab → · Contrast checker → · Palette generator →