#273178#273178

#273178 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.121 H 272.5°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#273178
RGB	rgb(39, 49, 120)
HSL	hsl(233, 51%, 31%)
HSV	hsv(233, 68%, 47%)
CMYK	cmyk(67.5%, 59.2%, 0%, 52.9%)
CIE-LAB	lab(23.62, 20.55, -41.97)
CIE-LCH	lch(23.62, 46.73, 296.08°)
OKLab	oklab(34.95% 0.0052 -0.1207)
OKLCH	oklch(34.95% 0.121 272.5)
XYZ	xyz(5.3240, 3.9836, 18.2540)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273178 #786E27

analogous

#275978 #273178 #452778

triadic

#273178 #782731 #317827

tetradic

#273178 #782759 #786E27 #277845

square

#273178 #782759 #786E27 #277845

split-complementary

#273178 #784527 #597827

monochromatic

#090B1C #181E4A #273178 #3644A6 #5261C7

Accessibility & contrast

On white

11.69

#273178 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#273178 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273178

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273178	#FFFFFF	#000000	##FFFFFF
##273178	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7A

Deuteranopia (green-blind)

#003577

Tritanopia (blue-blind)

#00424F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273178;
/* rgb */ color: rgb(39, 49, 120);
/* oklch */ color: oklch(35.0% 0.121 272.5);

Tailwind

colors: {
  custom: {
    50: '#6b68a0',
    500: '#273178',
    950: '#000000',
  },
}

SCSS

$custom: #273178;
$custom-light: #6b68a0;
$custom-dark: #000000;

JSON

{
  "hex": "#273178",
  "rgb": {
    "r": 39,
    "g": 49,
    "b": 120
  },
  "hsl": {
    "h": 232.593,
    "s": 50.943,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34952,
    "c": 0.12084,
    "h": 272.5
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#273178

secondary

#AA9F51

accent

#C94DDA

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060F

muted

#7A7A7E

Preview Lab

Preview with #273178

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

Preview Lab → · Contrast checker → · Palette generator →