#183084#183084

#183084 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.144 H 266.4°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#183084
RGB	rgb(24, 48, 132)
HSL	hsl(227, 69%, 31%)
HSV	hsv(227, 82%, 52%)
CMYK	cmyk(81.8%, 63.6%, 0%, 48.2%)
CIE-LAB	lab(23.58, 23.91, -49.64)
CIE-LCH	lch(23.58, 55.10, 295.72°)
OKLab	oklab(35.03% -0.009 -0.1436)
OKLCH	oklch(35.03% 0.144 266.4)
XYZ	xyz(5.5970, 3.9734, 22.2973)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183084 #846C18

analogous

#186684 #183084 #361884

triadic

#183084 #841830 #308418

tetradic

#183084 #841866 #846C18 #188436

square

#183084 #841866 #846C18 #188436

split-complementary

#183084 #843618 #668418

monochromatic

#050A1C #0F1D50 #183084 #2143B8 #3B5FDB

Accessibility & contrast

On white

11.70

#183084 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#183084 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183084

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183084	#FFFFFF	#000000	##FFFFFF
##183084	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D87

Deuteranopia (green-blind)

#003382

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183084;
/* rgb */ color: rgb(24, 48, 132);
/* oklch */ color: oklch(35.0% 0.144 266.4);

Tailwind

colors: {
  custom: {
    50: '#6968a9',
    500: '#183084',
    950: '#000000',
  },
}

SCSS

$custom: #183084;
$custom-light: #6968a9;
$custom-dark: #000000;

JSON

{
  "hex": "#183084",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 132
  },
  "hsl": {
    "h": 226.667,
    "s": 69.231,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35034,
    "c": 0.14386,
    "h": 266.4
  },
  "luminance": 0.03974
}

Semantic roles & 50–950 ramp

primary

#183084

secondary

#B89D40

accent

#C53CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183084

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

Preview Lab → · Contrast checker → · Palette generator →