#273E8A#273E8A

#273E8A is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.2% C 0.130 H 267.4°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#273E8A
RGB	rgb(39, 62, 138)
HSL	hsl(226, 56%, 35%)
HSV	hsv(226, 72%, 54%)
CMYK	cmyk(71.7%, 55.1%, 0%, 45.9%)
CIE-LAB	lab(28.67, 18.48, -45.07)
CIE-LCH	lch(28.67, 48.71, 292.29°)
OKLab	oklab(39.19% -0.0059 -0.1296)
OKLCH	oklch(39.19% 0.13 267.4)
XYZ	xyz(7.1452, 5.7108, 24.7656)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E8A #8A7327

analogous

#276F8A #273E8A #42278A

triadic

#273E8A #8A273E #3E8A27

tetradic

#273E8A #8A276F #8A7327 #278A42

square

#273E8A #8A276F #8A7327 #278A42

split-complementary

#273E8A #8A4227 #6F8A27

monochromatic

#0C132B #1A295A #273E8A #3453BA #5B76D1

Accessibility & contrast

On white

9.80

#273E8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#273E8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E8A

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E8A	#FFFFFF	#000000	##FFFFFF
##273E8A	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06488D

Deuteranopia (green-blind)

#003F88

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #273e8a;
/* rgb */ color: rgb(39, 62, 138);
/* oklch */ color: oklch(39.2% 0.130 267.4);

Tailwind

colors: {
  custom: {
    50: '#6e72ad',
    500: '#273e8a',
    950: '#000000',
  },
}

SCSS

$custom: #273e8a;
$custom-light: #6e72ad;
$custom-dark: #000000;

JSON

{
  "hex": "#273e8a",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 138
  },
  "hsl": {
    "h": 226.061,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.3919,
    "c": 0.12976,
    "h": 267.4
  },
  "luminance": 0.05712
}

Semantic roles & 50–950 ramp

primary

#273E8A

secondary

#B6A057

accent

#BC49DF

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #273E8A

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

Preview Lab → · Contrast checker → · Palette generator →