#273188#273188

#273188 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.4% C 0.144 H 272.0°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#273188
RGB	rgb(39, 49, 136)
HSL	hsl(234, 55%, 34%)
HSV	hsv(234, 71%, 53%)
CMYK	cmyk(71.3%, 64%, 0%, 46.7%)
CIE-LAB	lab(24.97, 26.59, -49.85)
CIE-LCH	lch(24.97, 56.50, 298.08°)
OKLab	oklab(36.38% 0.0051 -0.1438)
OKLCH	oklch(36.38% 0.144 272)
XYZ	xyz(6.3774, 4.4049, 23.8019)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273188 #887E27

analogous

#276288 #273188 #4D2788

triadic

#273188 #882731 #318827

tetradic

#273188 #882762 #887E27 #27884D

square

#273188 #882762 #887E27 #27884D

split-complementary

#273188 #884D27 #628827

monochromatic

#0C0F29 #192058 #273188 #3542B8 #5A66D0

Accessibility & contrast

On white

11.16

#273188 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#273188 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273188

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273188	#FFFFFF	#000000	##FFFFFF
##273188	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408B

Deuteranopia (green-blind)

#003786

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #273188;
/* rgb */ color: rgb(39, 49, 136);
/* oklch */ color: oklch(36.4% 0.144 272.0);

Tailwind

colors: {
  custom: {
    50: '#6f69ab',
    500: '#273188',
    950: '#000000',
  },
}

SCSS

$custom: #273188;
$custom-light: #6f69ab;
$custom-dark: #000000;

JSON

{
  "hex": "#273188",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 136
  },
  "hsl": {
    "h": 233.814,
    "s": 55.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36376,
    "c": 0.14394,
    "h": 272
  },
  "luminance": 0.04406
}

Semantic roles & 50–950 ramp

primary

#273188

secondary

#B5AB56

accent

#CF49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273188

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

Preview Lab → · Contrast checker → · Palette generator →