#273388#273388

#273388 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.8% C 0.141 H 271.4°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#273388
RGB	rgb(39, 51, 136)
HSL	hsl(233, 55%, 34%)
HSV	hsv(233, 71%, 53%)
CMYK	cmyk(71.3%, 62.5%, 0%, 46.7%)
CIE-LAB	lab(25.49, 25.24, -48.99)
CIE-LCH	lch(25.49, 55.11, 297.26°)
OKLab	oklab(36.76% 0.0035 -0.1413)
OKLCH	oklch(36.76% 0.141 271.4)
XYZ	xyz(6.4630, 4.5759, 23.8304)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273388 #887C27

analogous

#276488 #273388 #4B2788

triadic

#273388 #882733 #338827

tetradic

#273388 #882764 #887C27 #27884B

square

#273388 #882764 #887C27 #27884B

split-complementary

#273388 #884B27 #648827

monochromatic

#0C0F29 #192158 #273388 #3545B8 #5A68D0

Accessibility & contrast

On white

10.96

#273388 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#273388 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273388

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273388	#FFFFFF	#000000	##FFFFFF
##273388	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418B

Deuteranopia (green-blind)

#003886

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #273388;
/* rgb */ color: rgb(39, 51, 136);
/* oklch */ color: oklch(36.8% 0.141 271.4);

Tailwind

colors: {
  custom: {
    50: '#6f6aab',
    500: '#273388',
    950: '#000000',
  },
}

SCSS

$custom: #273388;
$custom-light: #6f6aab;
$custom-dark: #000000;

JSON

{
  "hex": "#273388",
  "rgb": {
    "r": 39,
    "g": 51,
    "b": 136
  },
  "hsl": {
    "h": 232.577,
    "s": 55.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36762,
    "c": 0.14137,
    "h": 271.4
  },
  "luminance": 0.04577
}

Semantic roles & 50–950 ramp

primary

#273388

secondary

#B5A956

accent

#CC49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273388

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

Preview Lab → · Contrast checker → · Palette generator →