#273689#273689

#273689 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.139 H 270.4°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#273689
RGB	rgb(39, 54, 137)
HSL	hsl(231, 56%, 35%)
HSV	hsv(231, 72%, 54%)
CMYK	cmyk(71.5%, 60.6%, 0%, 46.3%)
CIE-LAB	lab(26.38, 23.58, -48.17)
CIE-LCH	lch(26.38, 53.63, 296.08°)
OKLab	oklab(37.45% 0.001 -0.1389)
OKLCH	oklch(37.45% 0.139 270.4)
XYZ	xyz(6.6697, 4.8752, 24.2516)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273689 #897A27

analogous

#276789 #273689 #492789

triadic

#273689 #892736 #368927

tetradic

#273689 #892767 #897A27 #278949

square

#273689 #892767 #897A27 #278949

split-complementary

#273689 #894927 #678927

monochromatic

#0C102A #192359 #273689 #3549B9 #5A6CD0

Accessibility & contrast

On white

10.63

#273689 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#273689 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273689

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273689	#FFFFFF	#000000	##FFFFFF
##273689	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438C

Deuteranopia (green-blind)

#003A87

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273689;
/* rgb */ color: rgb(39, 54, 137);
/* oklch */ color: oklch(37.4% 0.139 270.4);

Tailwind

colors: {
  custom: {
    50: '#6f6cac',
    500: '#273689',
    950: '#000000',
  },
}

SCSS

$custom: #273689;
$custom-light: #6f6cac;
$custom-dark: #000000;

JSON

{
  "hex": "#273689",
  "rgb": {
    "r": 39,
    "g": 54,
    "b": 137
  },
  "hsl": {
    "h": 230.816,
    "s": 55.682,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37445,
    "c": 0.13888,
    "h": 270.4
  },
  "luminance": 0.04876
}

Semantic roles & 50–950 ramp

primary

#273689

secondary

#B5A757

accent

#C849DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273689

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

Preview Lab → · Contrast checker → · Palette generator →