#273E89#273E89

#273E89 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.128 H 267.3°. Best body text is #FFFFFF at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#273E89
RGB	rgb(39, 62, 137)
HSL	hsl(226, 56%, 35%)
HSV	hsv(226, 72%, 54%)
CMYK	cmyk(71.5%, 54.7%, 0%, 46.3%)
CIE-LAB	lab(28.60, 18.09, -44.57)
CIE-LCH	lch(28.60, 48.10, 292.09°)
OKLab	oklab(39.11% -0.006 -0.1282)
OKLCH	oklch(39.11% 0.128 267.3)
XYZ	xyz(7.0731, 5.6820, 24.3860)
Luminance	0.0568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E89 #897227

analogous

#276F89 #273E89 #412789

triadic

#273E89 #89273E #3E8927

tetradic

#273E89 #89276F #897227 #278941

square

#273E89 #89276F #897227 #278941

split-complementary

#273E89 #894127 #6F8927

monochromatic

#0C132A #192859 #273E89 #3554B9 #5A76D0

Accessibility & contrast

On white

9.83

#273E89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#273E89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E89

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E89	#FFFFFF	#000000	##FFFFFF
##273E89	1.00	9.83	2.14	9.83
#FFFFFF	9.83	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08488C

Deuteranopia (green-blind)

#003F87

Tritanopia (blue-blind)

#00505D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #273e89;
/* rgb */ color: rgb(39, 62, 137);
/* oklch */ color: oklch(39.1% 0.128 267.3);

Tailwind

colors: {
  custom: {
    50: '#6e72ac',
    500: '#273e89',
    950: '#000000',
  },
}

SCSS

$custom: #273e89;
$custom-light: #6e72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#273e89",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 137
  },
  "hsl": {
    "h": 225.918,
    "s": 55.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39109,
    "c": 0.12831,
    "h": 267.3
  },
  "luminance": 0.05683
}

Semantic roles & 50–950 ramp

primary

#273E89

secondary

#B59F57

accent

#BC49DF

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #273E89

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

Preview Lab → · Contrast checker → · Palette generator →