#182F82#182F82

#182F82 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.142 H 266.6°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#182F82
RGB	rgb(24, 47, 130)
HSL	hsl(227, 69%, 30%)
HSV	hsv(227, 82%, 51%)
CMYK	cmyk(81.5%, 63.8%, 0%, 49%)
CIE-LAB	lab(23.13, 23.80, -49.12)
CIE-LCH	lch(23.13, 54.59, 295.85°)
OKLab	oklab(34.64% -0.0084 -0.1421)
OKLCH	oklch(34.64% 0.142 266.6)
XYZ	xyz(5.4211, 3.8383, 21.5699)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F82 #826B18

analogous

#186482 #182F82 #361882

triadic

#182F82 #82182F #2F8218

tetradic

#182F82 #821864 #826B18 #188236

square

#182F82 #821864 #826B18 #188236

split-complementary

#182F82 #823618 #648218

monochromatic

#050A1B #0E1C4E #182F82 #2242B6 #3A5DDB

Accessibility & contrast

On white

11.88

#182F82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#182F82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F82

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F82	#FFFFFF	#000000	##FFFFFF
##182F82	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C85

Deuteranopia (green-blind)

#003280

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #182f82;
/* rgb */ color: rgb(24, 47, 130);
/* oklch */ color: oklch(34.6% 0.142 266.6);

Tailwind

colors: {
  custom: {
    50: '#6867a7',
    500: '#182f82',
    950: '#000000',
  },
}

SCSS

$custom: #182f82;
$custom-light: #6867a7;
$custom-dark: #000000;

JSON

{
  "hex": "#182f82",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 130
  },
  "hsl": {
    "h": 226.981,
    "s": 68.831,
    "l": 30.196
  },
  "oklch": {
    "l": 0.34641,
    "c": 0.14234,
    "h": 266.6
  },
  "luminance": 0.03839
}

Semantic roles & 50–950 ramp

primary

#182F82

secondary

#B69C40

accent

#C63CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #182F82

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

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