#182D71#182D71

#182D71 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.6% C 0.120 H 266.5°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#182D71
RGB	rgb(24, 45, 113)
HSL	hsl(226, 65%, 27%)
HSV	hsv(226, 79%, 44%)
CMYK	cmyk(78.8%, 60.2%, 0%, 55.7%)
CIE-LAB	lab(21.07, 18.32, -41.68)
CIE-LCH	lch(21.07, 45.53, 293.72°)
OKLab	oklab(32.64% -0.0073 -0.1203)
OKLCH	oklch(32.64% 0.121 266.5)
XYZ	xyz(4.2947, 3.2627, 16.0230)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D71 #715C18

analogous

#185A71 #182D71 #301871

triadic

#182D71 #71182D #2D7118

tetradic

#182D71 #71185A #715C18 #187130

square

#182D71 #71185A #715C18 #187130

split-complementary

#182D71 #713018 #5A7118

monochromatic

#050A19 #0D193F #182D71 #2341A3 #3057D3

Accessibility & contrast

On white

12.71

#182D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#182D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D71

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D71	#FFFFFF	#000000	##FFFFFF
##182D71	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#002F70

Tritanopia (blue-blind)

#003E4A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182d71;
/* rgb */ color: rgb(24, 45, 113);
/* oklch */ color: oklch(32.6% 0.120 266.5);

Tailwind

colors: {
  custom: {
    50: '#64659a',
    500: '#182d71',
    950: '#000000',
  },
}

SCSS

$custom: #182d71;
$custom-light: #64659a;
$custom-dark: #000000;

JSON

{
  "hex": "#182d71",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 113
  },
  "hsl": {
    "h": 225.843,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.32636,
    "c": 0.1205,
    "h": 266.5
  },
  "luminance": 0.03263
}

Semantic roles & 50–950 ramp

primary

#182D71

secondary

#A68E3E

accent

#C040E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #182D71

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

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