#273183#273183

#273183 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.9% C 0.137 H 272.2°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#273183
RGB	rgb(39, 49, 131)
HSL	hsl(233, 54%, 33%)
HSV	hsv(233, 70%, 51%)
CMYK	cmyk(70.2%, 62.6%, 0%, 48.6%)
CIE-LAB	lab(24.53, 24.71, -47.43)
CIE-LCH	lch(24.53, 53.48, 297.52°)
OKLab	oklab(35.92% 0.0052 -0.1368)
OKLCH	oklch(35.92% 0.137 272.2)
XYZ	xyz(6.0304, 4.2661, 21.9740)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273183 #837927

analogous

#275F83 #273183 #4B2783

triadic

#273183 #832731 #318327

tetradic

#273183 #83275F #837927 #27834B

square

#273183 #83275F #837927 #27834B

split-complementary

#273183 #834B27 #5F8327

monochromatic

#0B0E25 #191F54 #273183 #3543B2 #5764CD

Accessibility & contrast

On white

11.33

#273183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#273183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273183

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273183	#FFFFFF	#000000	##FFFFFF
##273183	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F86

Deuteranopia (green-blind)

#003681

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #273183;
/* rgb */ color: rgb(39, 49, 131);
/* oklch */ color: oklch(35.9% 0.137 272.2);

Tailwind

colors: {
  custom: {
    50: '#6e69a8',
    500: '#273183',
    950: '#000000',
  },
}

SCSS

$custom: #273183;
$custom-light: #6e69a8;
$custom-dark: #000000;

JSON

{
  "hex": "#273183",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 131
  },
  "hsl": {
    "h": 233.478,
    "s": 54.118,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35919,
    "c": 0.13686,
    "h": 272.2
  },
  "luminance": 0.04267
}

Semantic roles & 50–950 ramp

primary

#273183

secondary

#B2A854

accent

#CD4ADD

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273183

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

Preview Lab → · Contrast checker → · Palette generator →