#182C71#182C71

#182C71 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.4% C 0.122 H 266.9°. Best body text is #FFFFFF at 12.82:1 contrast (WCAG AA passes).

Color values

HEX	#182C71
RGB	rgb(24, 44, 113)
HSL	hsl(227, 65%, 27%)
HSV	hsv(227, 79%, 44%)
CMYK	cmyk(78.8%, 61.1%, 0%, 55.7%)
CIE-LAB	lab(20.78, 19.04, -42.15)
CIE-LCH	lch(20.78, 46.25, 294.30°)
OKLab	oklab(32.42% -0.0065 -0.1217)
OKLCH	oklch(32.42% 0.122 266.9)
XYZ	xyz(4.2570, 3.1873, 16.0104)
Luminance	0.0319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C71 #715D18

analogous

#185971 #182C71 #311871

triadic

#182C71 #71182C #2C7118

tetradic

#182C71 #711859 #715D18 #187131

square

#182C71 #711859 #715D18 #187131

split-complementary

#182C71 #713118 #597118

monochromatic

#050A19 #0D183F #182C71 #2340A3 #3055D3

Accessibility & contrast

On white

12.82

#182C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#182C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C71

12.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C71	#FFFFFF	#000000	##FFFFFF
##182C71	1.00	12.82	1.64	12.82
#FFFFFF	12.82	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#002E70

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182c71;
/* rgb */ color: rgb(24, 44, 113);
/* oklch */ color: oklch(32.4% 0.122 266.9);

Tailwind

colors: {
  custom: {
    50: '#64649a',
    500: '#182c71',
    950: '#000000',
  },
}

SCSS

$custom: #182c71;
$custom-light: #64649a;
$custom-dark: #000000;

JSON

{
  "hex": "#182c71",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 113
  },
  "hsl": {
    "h": 226.517,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.32421,
    "c": 0.12184,
    "h": 266.9
  },
  "luminance": 0.03188
}

Semantic roles & 50–950 ramp

primary

#182C71

secondary

#A68F3E

accent

#C240E8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #182C71

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

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