#183179#183179

#183179 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.2% C 0.127 H 265.5°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#183179
RGB	rgb(24, 49, 121)
HSL	hsl(225, 67%, 28%)
HSV	hsv(225, 80%, 47%)
CMYK	cmyk(80.2%, 59.5%, 0%, 52.5%)
CIE-LAB	lab(22.90, 18.74, -43.81)
CIE-LCH	lch(22.90, 47.65, 293.16°)
OKLab	oklab(34.22% -0.01 -0.1265)
OKLCH	oklch(34.22% 0.127 265.5)
XYZ	xyz(4.9250, 3.7707, 18.5537)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183179 #796018

analogous

#186179 #183179 #2F1879

triadic

#183179 #791831 #317918

tetradic

#183179 #791861 #796018 #18792F

square

#183179 #791861 #796018 #18792F

split-complementary

#183179 #792F18 #617918

monochromatic

#050A1A #0E1C46 #183179 #2246AC #355ED7

Accessibility & contrast

On white

11.97

#183179 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#183179 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183179

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183179	#FFFFFF	#000000	##FFFFFF
##183179	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#003278

Tritanopia (blue-blind)

#004350

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183179;
/* rgb */ color: rgb(24, 49, 121);
/* oklch */ color: oklch(34.2% 0.127 265.5);

Tailwind

colors: {
  custom: {
    50: '#6668a0',
    500: '#183179',
    950: '#000000',
  },
}

SCSS

$custom: #183179;
$custom-light: #6668a0;
$custom-dark: #000000;

JSON

{
  "hex": "#183179",
  "rgb": {
    "r": 24,
    "g": 49,
    "b": 121
  },
  "hsl": {
    "h": 224.536,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34223,
    "c": 0.12687,
    "h": 265.5
  },
  "luminance": 0.03771
}

Semantic roles & 50–950 ramp

primary

#183179

secondary

#AE913F

accent

#BE3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #183179

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

Preview Lab → · Contrast checker → · Palette generator →