#273291#273291

#273291 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.4% C 0.155 H 271.4°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#273291
RGB	rgb(39, 50, 145)
HSL	hsl(234, 58%, 36%)
HSV	hsv(234, 73%, 57%)
CMYK	cmyk(73.1%, 65.5%, 0%, 43.1%)
CIE-LAB	lab(26.03, 29.28, -53.69)
CIE-LCH	lch(26.03, 61.16, 298.61°)
OKLab	oklab(37.4% 0.0039 -0.1551)
OKLCH	oklch(37.4% 0.155 271.4)
XYZ	xyz(7.0864, 4.7562, 27.3271)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273291 #918627

analogous

#276791 #273291 #512791

triadic

#273291 #912732 #329127

tetradic

#273291 #912767 #918627 #279151

square

#273291 #912767 #918627 #279151

split-complementary

#273291 #915127 #679127

monochromatic

#0D1131 #1A2161 #273291 #3443C1 #5F6BD4

Accessibility & contrast

On white

10.76

#273291 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#273291 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273291

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273291	#FFFFFF	#000000	##FFFFFF
##273291	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004394

Deuteranopia (green-blind)

#00398F

Tritanopia (blue-blind)

#004B5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #273291;
/* rgb */ color: rgb(39, 50, 145);
/* oklch */ color: oklch(37.4% 0.155 271.4);

Tailwind

colors: {
  custom: {
    50: '#716ab2',
    500: '#273291',
    950: '#000000',
  },
}

SCSS

$custom: #273291;
$custom-light: #716ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#273291",
  "rgb": {
    "r": 39,
    "g": 50,
    "b": 145
  },
  "hsl": {
    "h": 233.774,
    "s": 57.609,
    "l": 36.078
  },
  "oklch": {
    "l": 0.37404,
    "c": 0.15517,
    "h": 271.4
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#273291

secondary

#B9AF5B

accent

#D147E1

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #273291

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

Preview Lab → · Contrast checker → · Palette generator →