#182F85#182F85

#182F85 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.9% C 0.147 H 266.7°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#182F85
RGB	rgb(24, 47, 133)
HSL	hsl(227, 69%, 31%)
HSV	hsv(227, 82%, 52%)
CMYK	cmyk(82%, 64.7%, 0%, 47.8%)
CIE-LAB	lab(23.41, 25.00, -50.56)
CIE-LCH	lch(23.41, 56.40, 296.32°)
OKLab	oklab(34.93% -0.0084 -0.1463)
OKLCH	oklch(34.93% 0.147 266.7)
XYZ	xyz(5.6254, 3.9200, 22.6459)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F85 #856E18

analogous

#186585 #182F85 #371885

triadic

#182F85 #85182F #2F8518

tetradic

#182F85 #851865 #856E18 #188537

square

#182F85 #851865 #856E18 #188537

split-complementary

#182F85 #853718 #658518

monochromatic

#050A1D #0F1D51 #182F85 #2141B9 #3C5DDC

Accessibility & contrast

On white

11.77

#182F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#182F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F85

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F85	#FFFFFF	#000000	##FFFFFF
##182F85	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D88

Deuteranopia (green-blind)

#003383

Tritanopia (blue-blind)

#004555

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #182f85;
/* rgb */ color: rgb(24, 47, 133);
/* oklch */ color: oklch(34.9% 0.147 266.7);

Tailwind

colors: {
  custom: {
    50: '#6967a9',
    500: '#182f85',
    950: '#000000',
  },
}

SCSS

$custom: #182f85;
$custom-light: #6967a9;
$custom-dark: #000000;

JSON

{
  "hex": "#182f85",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 133
  },
  "hsl": {
    "h": 227.339,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3493,
    "c": 0.14653,
    "h": 266.7
  },
  "luminance": 0.03921
}

Semantic roles & 50–950 ramp

primary

#182F85

secondary

#B99F40

accent

#C73CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #182F85

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

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