#183079#183079

#183079 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.0% C 0.128 H 265.9°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#183079
RGB	rgb(24, 48, 121)
HSL	hsl(225, 67%, 28%)
HSV	hsv(225, 80%, 47%)
CMYK	cmyk(80.2%, 60.3%, 0%, 52.5%)
CIE-LAB	lab(22.61, 19.45, -44.28)
CIE-LCH	lch(22.61, 48.36, 293.71°)
OKLab	oklab(34.01% -0.0092 -0.1279)
OKLCH	oklch(34.01% 0.128 265.9)
XYZ	xyz(4.8836, 3.6880, 18.5399)
Luminance	0.0369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183079 #796118

analogous

#186079 #183079 #301879

triadic

#183079 #791830 #307918

tetradic

#183079 #791860 #796118 #187930

square

#183079 #791860 #796118 #187930

split-complementary

#183079 #793018 #607918

monochromatic

#050A1A #0E1C46 #183079 #2244AC #355DD7

Accessibility & contrast

On white

12.08

#183079 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#183079 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183079

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183079	#FFFFFF	#000000	##FFFFFF
##183079	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7B

Deuteranopia (green-blind)

#003278

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #183079;
/* rgb */ color: rgb(24, 48, 121);
/* oklch */ color: oklch(34.0% 0.128 265.9);

Tailwind

colors: {
  custom: {
    50: '#6667a0',
    500: '#183079',
    950: '#000000',
  },
}

SCSS

$custom: #183079;
$custom-light: #6667a0;
$custom-dark: #000000;

JSON

{
  "hex": "#183079",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 121
  },
  "hsl": {
    "h": 225.155,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.34008,
    "c": 0.12819,
    "h": 265.9
  },
  "luminance": 0.03689
}

Semantic roles & 50–950 ramp

primary

#183079

secondary

#AE923F

accent

#BF3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #183079

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

Preview Lab → · Contrast checker → · Palette generator →