#183177#183177

#183177 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.124 H 265.3°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#183177
RGB	rgb(24, 49, 119)
HSL	hsl(224, 66%, 28%)
HSV	hsv(224, 80%, 47%)
CMYK	cmyk(79.8%, 58.8%, 0%, 53.3%)
CIE-LAB	lab(22.73, 17.92, -42.81)
CIE-LCH	lch(22.73, 46.41, 292.71°)
OKLab	oklab(34.04% -0.0101 -0.1235)
OKLCH	oklch(34.04% 0.124 265.3)
XYZ	xyz(4.8036, 3.7222, 17.9145)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183177 #775E18

analogous

#186077 #183177 #2F1877

triadic

#183177 #771831 #317718

tetradic

#183177 #771860 #775E18 #18772F

square

#183177 #771860 #775E18 #18772F

split-complementary

#183177 #772F18 #607718

monochromatic

#050A19 #0E1C44 #183177 #2246AA #335ED6

Accessibility & contrast

On white

12.04

#183177 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183177 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183177

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183177	#FFFFFF	#000000	##FFFFFF
##183177	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B79

Deuteranopia (green-blind)

#003276

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183177;
/* rgb */ color: rgb(24, 49, 119);
/* oklch */ color: oklch(34.0% 0.124 265.3);

Tailwind

colors: {
  custom: {
    50: '#65689f',
    500: '#183177',
    950: '#000000',
  },
}

SCSS

$custom: #183177;
$custom-light: #65689f;
$custom-dark: #000000;

JSON

{
  "hex": "#183177",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 119
  },
  "hsl": {
    "h": 224.211,
    "s": 66.434,
    "l": 28.039
  },
  "oklch": {
    "l": 0.34044,
    "c": 0.12395,
    "h": 265.3
  },
  "luminance": 0.03723
}

Semantic roles & 50–950 ramp

primary

#183177

secondary

#AC8F3F

accent

#BC3EE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183177

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

Preview Lab → · Contrast checker → · Palette generator →