#183376#183376

#183376 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.4% C 0.120 H 264.4°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#183376
RGB	rgb(24, 51, 118)
HSL	hsl(223, 66%, 28%)
HSV	hsv(223, 80%, 46%)
CMYK	cmyk(79.7%, 56.8%, 0%, 53.7%)
CIE-LAB	lab(23.23, 16.08, -41.36)
CIE-LCH	lch(23.23, 44.37, 291.24°)
OKLab	oklab(34.4% -0.0117 -0.1192)
OKLCH	oklch(34.4% 0.12 264.4)
XYZ	xyz(4.8294, 3.8693, 17.6284)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183376 #765B18

analogous

#186276 #183376 #2C1876

triadic

#183376 #761833 #337618

tetradic

#183376 #761862 #765B18 #18762C

square

#183376 #761862 #765B18 #18762C

split-complementary

#183376 #762C18 #627618

monochromatic

#050B19 #0E1D43 #183376 #2249A9 #3362D5

Accessibility & contrast

On white

11.84

#183376 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#183376 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183376

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183376	#FFFFFF	#000000	##FFFFFF
##183376	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C78

Deuteranopia (green-blind)

#003375

Tritanopia (blue-blind)

#00434F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #183376;
/* rgb */ color: rgb(24, 51, 118);
/* oklch */ color: oklch(34.4% 0.120 264.4);

Tailwind

colors: {
  custom: {
    50: '#656a9e',
    500: '#183376',
    950: '#000000',
  },
}

SCSS

$custom: #183376;
$custom-light: #656a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#183376",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 118
  },
  "hsl": {
    "h": 222.766,
    "s": 66.197,
    "l": 27.843
  },
  "oklch": {
    "l": 0.34398,
    "c": 0.11981,
    "h": 264.4
  },
  "luminance": 0.0387
}

Semantic roles & 50–950 ramp

primary

#183376

secondary

#AB8C3F

accent

#B83FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183376

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

Preview Lab → · Contrast checker → · Palette generator →