#273370#273370

#273370 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.7% C 0.106 H 271.5°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#273370
RGB	rgb(39, 51, 112)
HSL	hsl(230, 48%, 30%)
HSV	hsv(230, 65%, 44%)
CMYK	cmyk(65.2%, 54.5%, 0%, 56.1%)
CIE-LAB	lab(23.57, 16.10, -36.95)
CIE-LCH	lch(23.57, 40.31, 293.55°)
OKLab	oklab(34.72% 0.0027 -0.1059)
OKLCH	oklch(34.72% 0.106 271.5)
XYZ	xyz(4.9442, 3.9684, 15.8315)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273370 #706427

analogous

#275870 #273370 #402770

triadic

#273370 #702733 #337027

tetradic

#273370 #702758 #706427 #277040

square

#273370 #702758 #706427 #277040

split-complementary

#273370 #704027 #587027

monochromatic

#080A17 #171E43 #273370 #37489D #5062C2

Accessibility & contrast

On white

11.71

#273370 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#273370 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273370

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273370	#FFFFFF	#000000	##FFFFFF
##273370	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3B72

Deuteranopia (green-blind)

#00356F

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273370;
/* rgb */ color: rgb(39, 51, 112);
/* oklch */ color: oklch(34.7% 0.106 271.5);

Tailwind

colors: {
  custom: {
    50: '#696a99',
    500: '#273370',
    950: '#000000',
  },
}

SCSS

$custom: #273370;
$custom-light: #696a99;
$custom-dark: #000000;

JSON

{
  "hex": "#273370",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 112
  },
  "hsl": {
    "h": 230.137,
    "s": 48.344,
    "l": 29.608
  },
  "oklch": {
    "l": 0.34718,
    "c": 0.10595,
    "h": 271.5
  },
  "luminance": 0.03969
}

Semantic roles & 50–950 ramp

primary

#273370

secondary

#A29550

accent

#C250D8

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #273370

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

Preview Lab → · Contrast checker → · Palette generator →