#183475#183475

#183475 is a dark, moderate blue. Relative luminance 0.039; OKLCH L 34.5% C 0.117 H 263.8°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#183475
RGB	rgb(24, 52, 117)
HSL	hsl(222, 66%, 28%)
HSV	hsv(222, 79%, 46%)
CMYK	cmyk(79.5%, 55.6%, 0%, 54.1%)
CIE-LAB	lab(23.45, 14.95, -40.37)
CIE-LCH	lch(23.45, 43.05, 290.32°)
OKLab	oklab(34.54% -0.0127 -0.1163)
OKLCH	oklch(34.54% 0.117 263.8)
XYZ	xyz(4.8144, 3.9340, 17.3318)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183475 #755918

analogous

#186375 #183475 #2A1875

triadic

#183475 #751834 #347518

tetradic

#183475 #751863 #755918 #18752A

square

#183475 #751863 #755918 #18752A

split-complementary

#183475 #752A18 #637518

monochromatic

#050B19 #0E1D42 #183475 #224BA8 #3263D5

Accessibility & contrast

On white

11.75

#183475 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183475 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183475

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183475	#FFFFFF	#000000	##FFFFFF
##183475	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#043C77

Deuteranopia (green-blind)

#003474

Tritanopia (blue-blind)

#00444F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183475;
/* rgb */ color: rgb(24, 52, 117);
/* oklch */ color: oklch(34.5% 0.117 263.8);

Tailwind

colors: {
  custom: {
    50: '#646a9d',
    500: '#183475',
    950: '#000000',
  },
}

SCSS

$custom: #183475;
$custom-light: #646a9d;
$custom-dark: #000000;

JSON

{
  "hex": "#183475",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 117
  },
  "hsl": {
    "h": 221.935,
    "s": 65.957,
    "l": 27.647
  },
  "oklch": {
    "l": 0.34538,
    "c": 0.11699,
    "h": 263.8
  },
  "luminance": 0.03935
}

Semantic roles & 50–950 ramp

primary

#183475

secondary

#AA8A3F

accent

#B63FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #183475

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

Preview Lab → · Contrast checker → · Palette generator →