#273D85#273D85

#273D85 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.6% C 0.124 H 267.5°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#273D85
RGB	rgb(39, 61, 133)
HSL	hsl(226, 55%, 34%)
HSV	hsv(226, 71%, 52%)
CMYK	cmyk(70.7%, 54.1%, 0%, 47.8%)
CIE-LAB	lab(28.01, 17.23, -43.03)
CIE-LCH	lch(28.01, 46.35, 291.82°)
OKLab	oklab(38.57% -0.0054 -0.1237)
OKLCH	oklch(38.57% 0.124 267.5)
XYZ	xyz(6.7376, 5.4616, 22.8849)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D85 #856F27

analogous

#276C85 #273D85 #402785

triadic

#273D85 #85273D #3D8527

tetradic

#273D85 #85276C #856F27 #278540

square

#273D85 #85276C #856F27 #278540

split-complementary

#273D85 #854027 #6C8527

monochromatic

#0B1226 #192756 #273D85 #3553B4 #5874CE

Accessibility & contrast

On white

10.04

#273D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#273D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D85

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D85	#FFFFFF	#000000	##FFFFFF
##273D85	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D4788

Deuteranopia (green-blind)

#003E84

Tritanopia (blue-blind)

#004E5B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #273d85;
/* rgb */ color: rgb(39, 61, 133);
/* oklch */ color: oklch(38.6% 0.124 267.5);

Tailwind

colors: {
  custom: {
    50: '#6d72a9',
    500: '#273d85',
    950: '#000000',
  },
}

SCSS

$custom: #273d85;
$custom-light: #6d72a9;
$custom-dark: #000000;

JSON

{
  "hex": "#273d85",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 133
  },
  "hsl": {
    "h": 225.957,
    "s": 54.651,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38573,
    "c": 0.12378,
    "h": 267.5
  },
  "luminance": 0.05462
}

Semantic roles & 50–950 ramp

primary

#273D85

secondary

#B39D55

accent

#BB4ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273D85

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

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