#182D77#182D77

#182D77 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.2% C 0.129 H 266.8°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#182D77
RGB	rgb(24, 45, 119)
HSL	hsl(227, 66%, 28%)
HSV	hsv(227, 80%, 47%)
CMYK	cmyk(79.8%, 62.2%, 0%, 53.3%)
CIE-LAB	lab(21.59, 20.77, -44.68)
CIE-LCH	lch(21.59, 49.27, 294.93°)
OKLab	oklab(33.19% -0.0071 -0.1291)
OKLCH	oklch(33.19% 0.129 266.8)
XYZ	xyz(4.6437, 3.4024, 17.8612)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D77 #776218

analogous

#185C77 #182D77 #321877

triadic

#182D77 #77182D #2D7718

tetradic

#182D77 #77185C #776218 #187732

square

#182D77 #77185C #776218 #187732

split-complementary

#182D77 #773218 #5C7718

monochromatic

#050A19 #0E1A44 #182D77 #2240AA #3357D6

Accessibility & contrast

On white

12.50

#182D77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#182D77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D77

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D77	#FFFFFF	#000000	##FFFFFF
##182D77	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003879

Deuteranopia (green-blind)

#002F76

Tritanopia (blue-blind)

#00404D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182d77;
/* rgb */ color: rgb(24, 45, 119);
/* oklch */ color: oklch(33.2% 0.129 266.8);

Tailwind

colors: {
  custom: {
    50: '#65659f',
    500: '#182d77',
    950: '#000000',
  },
}

SCSS

$custom: #182d77;
$custom-light: #65659f;
$custom-dark: #000000;

JSON

{
  "hex": "#182d77",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 119
  },
  "hsl": {
    "h": 226.737,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.33189,
    "c": 0.12927,
    "h": 266.8
  },
  "luminance": 0.03403
}

Semantic roles & 50–950 ramp

primary

#182D77

secondary

#AC943F

accent

#C43EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #182D77

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

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