#182F71#182F71

#182F71 is a dark, moderate blue. Relative luminance 0.034; OKLCH L 33.1% C 0.118 H 265.7°. Best body text is #FFFFFF at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#182F71
RGB	rgb(24, 47, 113)
HSL	hsl(224, 65%, 27%)
HSV	hsv(224, 79%, 44%)
CMYK	cmyk(78.8%, 58.4%, 0%, 55.7%)
CIE-LAB	lab(21.65, 16.88, -40.73)
CIE-LCH	lch(21.65, 44.09, 292.51°)
OKLab	oklab(33.07% -0.0089 -0.1175)
OKLCH	oklch(33.07% 0.118 265.7)
XYZ	xyz(4.3728, 3.4190, 16.0491)
Luminance	0.0342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F71 #715A18

analogous

#185C71 #182F71 #2D1871

triadic

#182F71 #71182F #2F7118

tetradic

#182F71 #71185C #715A18 #18712D

square

#182F71 #71185C #715A18 #18712D

split-complementary

#182F71 #712D18 #5C7118

monochromatic

#050A19 #0D1A3F #182F71 #2344A3 #305AD3

Accessibility & contrast

On white

12.47

#182F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#182F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F71

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F71	#FFFFFF	#000000	##FFFFFF
##182F71	1.00	12.47	1.68	12.47
#FFFFFF	12.47	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003873

Deuteranopia (green-blind)

#003070

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #182f71;
/* rgb */ color: rgb(24, 47, 113);
/* oklch */ color: oklch(33.1% 0.118 265.7);

Tailwind

colors: {
  custom: {
    50: '#64679a',
    500: '#182f71',
    950: '#000000',
  },
}

SCSS

$custom: #182f71;
$custom-light: #64679a;
$custom-dark: #000000;

JSON

{
  "hex": "#182f71",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 113
  },
  "hsl": {
    "h": 224.494,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33074,
    "c": 0.1178,
    "h": 265.7
  },
  "luminance": 0.03419
}

Semantic roles & 50–950 ramp

primary

#182F71

secondary

#A68C3E

accent

#BD40E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #182F71

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

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