#182F77#182F77

#182F77 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 33.6% C 0.127 H 266.1°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#182F77
RGB	rgb(24, 47, 119)
HSL	hsl(225, 66%, 28%)
HSV	hsv(225, 80%, 47%)
CMYK	cmyk(79.8%, 60.5%, 0%, 53.3%)
CIE-LAB	lab(22.16, 19.34, -43.75)
CIE-LCH	lch(22.16, 47.84, 293.85°)
OKLab	oklab(33.61% -0.0086 -0.1263)
OKLCH	oklch(33.61% 0.127 266.1)
XYZ	xyz(4.7218, 3.5586, 17.8872)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F77 #776018

analogous

#185E77 #182F77 #301877

triadic

#182F77 #77182F #2F7718

tetradic

#182F77 #77185E #776018 #187730

square

#182F77 #77185E #776018 #187730

split-complementary

#182F77 #773018 #5E7718

monochromatic

#050A19 #0E1B44 #182F77 #2243AA #335BD6

Accessibility & contrast

On white

12.27

#182F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#182F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F77

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F77	#FFFFFF	#000000	##FFFFFF
##182F77	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A79

Deuteranopia (green-blind)

#003176

Tritanopia (blue-blind)

#00414E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #182f77;
/* rgb */ color: rgb(24, 47, 119);
/* oklch */ color: oklch(33.6% 0.127 266.1);

Tailwind

colors: {
  custom: {
    50: '#65679f',
    500: '#182f77',
    950: '#000000',
  },
}

SCSS

$custom: #182f77;
$custom-light: #65679f;
$custom-dark: #000000;

JSON

{
  "hex": "#182f77",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 119
  },
  "hsl": {
    "h": 225.474,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33612,
    "c": 0.12662,
    "h": 266.1
  },
  "luminance": 0.03559
}

Semantic roles & 50–950 ramp

primary

#182F77

secondary

#AC923F

accent

#C03EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #182F77

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

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