#183279#183279

#183279 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.4% C 0.126 H 265.1°. Best body text is #FFFFFF at 11.86:1 contrast (WCAG AA passes).

Color values

HEX	#183279
RGB	rgb(24, 50, 121)
HSL	hsl(224, 67%, 28%)
HSV	hsv(224, 80%, 47%)
CMYK	cmyk(80.2%, 58.7%, 0%, 52.5%)
CIE-LAB	lab(23.19, 18.03, -43.34)
CIE-LCH	lch(23.19, 46.94, 292.58°)
OKLab	oklab(34.44% -0.0107 -0.1251)
OKLCH	oklch(34.44% 0.126 265.1)
XYZ	xyz(4.9673, 3.8553, 18.5678)
Luminance	0.0386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183279 #795F18

analogous

#186279 #183279 #2E1879

triadic

#183279 #791832 #327918

tetradic

#183279 #791862 #795F18 #18792E

square

#183279 #791862 #795F18 #18792E

split-complementary

#183279 #792E18 #627918

monochromatic

#050B1A #0E1D46 #183279 #2247AC #3560D7

Accessibility & contrast

On white

11.86

#183279 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183279 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183279

11.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183279	#FFFFFF	#000000	##FFFFFF
##183279	1.00	11.86	1.77	11.86
#FFFFFF	11.86	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7B

Deuteranopia (green-blind)

#003378

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183279;
/* rgb */ color: rgb(24, 50, 121);
/* oklch */ color: oklch(34.4% 0.126 265.1);

Tailwind

colors: {
  custom: {
    50: '#6669a0',
    500: '#183279',
    950: '#000000',
  },
}

SCSS

$custom: #183279;
$custom-light: #6669a0;
$custom-dark: #000000;

JSON

{
  "hex": "#183279",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 121
  },
  "hsl": {
    "h": 223.918,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.3444,
    "c": 0.12554,
    "h": 265.1
  },
  "luminance": 0.03856
}

Semantic roles & 50–950 ramp

primary

#183279

secondary

#AE903F

accent

#BC3EEA

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #183279

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

Preview Lab → · Contrast checker → · Palette generator →