#273288#273288

#273288 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.6% C 0.143 H 271.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#273288
RGB	rgb(39, 50, 136)
HSL	hsl(233, 55%, 34%)
HSV	hsv(233, 71%, 53%)
CMYK	cmyk(71.3%, 63.2%, 0%, 46.7%)
CIE-LAB	lab(25.23, 25.92, -49.42)
CIE-LCH	lch(25.23, 55.80, 297.67°)
OKLab	oklab(36.57% 0.0043 -0.1426)
OKLCH	oklch(36.57% 0.143 271.7)
XYZ	xyz(6.4197, 4.4895, 23.8160)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273288 #887D27

analogous

#276388 #273288 #4D2788

triadic

#273288 #882732 #328827

tetradic

#273288 #882763 #887D27 #27884D

square

#273288 #882763 #887D27 #27884D

split-complementary

#273288 #884D27 #638827

monochromatic

#0C0F29 #192158 #273288 #3543B8 #5A67D0

Accessibility & contrast

On white

11.06

#273288 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#273288 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273288

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273288	#FFFFFF	#000000	##FFFFFF
##273288	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00408B

Deuteranopia (green-blind)

#003786

Tritanopia (blue-blind)

#004858

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #273288;
/* rgb */ color: rgb(39, 50, 136);
/* oklch */ color: oklch(36.6% 0.143 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f69ab',
    500: '#273288',
    950: '#000000',
  },
}

SCSS

$custom: #273288;
$custom-light: #6f69ab;
$custom-dark: #000000;

JSON

{
  "hex": "#273288",
  "rgb": {
    "r": 39,
    "g": 50,
    "b": 136
  },
  "hsl": {
    "h": 233.196,
    "s": 55.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.36568,
    "c": 0.14266,
    "h": 271.7
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#273288

secondary

#B5AA56

accent

#CE49DF

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #273288

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

Preview Lab → · Contrast checker → · Palette generator →