#273371#273371

#273371 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.8% C 0.107 H 271.5°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#273371
RGB	rgb(39, 51, 113)
HSL	hsl(230, 49%, 30%)
HSV	hsv(230, 65%, 44%)
CMYK	cmyk(65.5%, 54.9%, 0%, 55.7%)
CIE-LAB	lab(23.64, 16.48, -37.47)
CIE-LCH	lch(23.64, 40.94, 293.74°)
OKLab	oklab(34.8% 0.0028 -0.1074)
OKLCH	oklch(34.8% 0.107 271.5)
XYZ	xyz(5.0002, 3.9908, 16.1264)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273371 #716527

analogous

#275871 #273371 #402771

triadic

#273371 #712733 #337127

tetradic

#273371 #712758 #716527 #277140

square

#273371 #712758 #716527 #277140

split-complementary

#273371 #714027 #587127

monochromatic

#080A17 #171E44 #273371 #37489E #5062C3

Accessibility & contrast

On white

11.68

#273371 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#273371 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273371

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273371	#FFFFFF	#000000	##FFFFFF
##273371	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D3C73

Deuteranopia (green-blind)

#003570

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273371;
/* rgb */ color: rgb(39, 51, 113);
/* oklch */ color: oklch(34.8% 0.107 271.5);

Tailwind

colors: {
  custom: {
    50: '#6a6a9a',
    500: '#273371',
    950: '#000000',
  },
}

SCSS

$custom: #273371;
$custom-light: #6a6a9a;
$custom-dark: #000000;

JSON

{
  "hex": "#273371",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 113
  },
  "hsl": {
    "h": 230.27,
    "s": 48.684,
    "l": 29.804
  },
  "oklch": {
    "l": 0.34798,
    "c": 0.10749,
    "h": 271.5
  },
  "luminance": 0.03991
}

Semantic roles & 50–950 ramp

primary

#273371

secondary

#A39650

accent

#C250D8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #273371

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

Preview Lab → · Contrast checker → · Palette generator →