#183085#183085

#183085 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.145 H 266.4°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#183085
RGB	rgb(24, 48, 133)
HSL	hsl(227, 69%, 31%)
HSV	hsv(227, 82%, 52%)
CMYK	cmyk(82%, 63.9%, 0%, 47.8%)
CIE-LAB	lab(23.67, 24.31, -50.12)
CIE-LCH	lch(23.67, 55.70, 295.88°)
OKLab	oklab(35.13% -0.009 -0.145)
OKLCH	oklch(35.13% 0.145 266.4)
XYZ	xyz(5.6658, 4.0009, 22.6594)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183085 #856D18

analogous

#186685 #183085 #361885

triadic

#183085 #851830 #308518

tetradic

#183085 #851866 #856D18 #188536

square

#183085 #851866 #856D18 #188536

split-complementary

#183085 #853618 #668518

monochromatic

#050B1D #0F1D51 #183085 #2143B9 #3C5FDC

Accessibility & contrast

On white

11.66

#183085 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#183085 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183085

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183085	#FFFFFF	#000000	##FFFFFF
##183085	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E88

Deuteranopia (green-blind)

#003383

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183085;
/* rgb */ color: rgb(24, 48, 133);
/* oklch */ color: oklch(35.1% 0.145 266.4);

Tailwind

colors: {
  custom: {
    50: '#6968a9',
    500: '#183085',
    950: '#000000',
  },
}

SCSS

$custom: #183085;
$custom-light: #6968a9;
$custom-dark: #000000;

JSON

{
  "hex": "#183085",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 133
  },
  "hsl": {
    "h": 226.789,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3513,
    "c": 0.14526,
    "h": 266.4
  },
  "luminance": 0.04002
}

Semantic roles & 50–950 ramp

primary

#183085

secondary

#B99E40

accent

#C53CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183085

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

Preview Lab → · Contrast checker → · Palette generator →