#273990#273990

#273990 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.7% C 0.145 H 269.5°. Best body text is #FFFFFF at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#273990
RGB	rgb(39, 57, 144)
HSL	hsl(230, 57%, 36%)
HSV	hsv(230, 73%, 56%)
CMYK	cmyk(72.9%, 60.4%, 0%, 43.5%)
CIE-LAB	lab(27.77, 24.20, -50.24)
CIE-LCH	lch(27.77, 55.77, 295.72°)
OKLab	oklab(38.66% -0.0014 -0.1449)
OKLCH	oklch(38.66% 0.145 269.5)
XYZ	xyz(7.3321, 5.3705, 27.0303)
Luminance	0.0537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273990 #907E27

analogous

#276D90 #273990 #492790

triadic

#273990 #902739 #399027

tetradic

#273990 #90276D #907E27 #279049

square

#273990 #90276D #907E27 #279049

split-complementary

#273990 #904927 #6D9027

monochromatic

#0D1330 #1A2660 #273990 #344CC0 #5E72D3

Accessibility & contrast

On white

10.12

#273990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#273990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273990

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273990	#FFFFFF	#000000	##FFFFFF
##273990	1.00	10.12	2.07	10.12
#FFFFFF	10.12	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#004F5E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273990;
/* rgb */ color: rgb(39, 57, 144);
/* oklch */ color: oklch(38.7% 0.145 269.5);

Tailwind

colors: {
  custom: {
    50: '#706fb1',
    500: '#273990',
    950: '#000000',
  },
}

SCSS

$custom: #273990;
$custom-light: #706fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#273990",
  "rgb": {
    "r": 39,
    "g": 57,
    "b": 144
  },
  "hsl": {
    "h": 229.714,
    "s": 57.377,
    "l": 35.882
  },
  "oklch": {
    "l": 0.38661,
    "c": 0.14493,
    "h": 269.5
  },
  "luminance": 0.05371
}

Semantic roles & 50–950 ramp

primary

#273990

secondary

#B9A85A

accent

#C647E1

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #273990

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

Preview Lab → · Contrast checker → · Palette generator →