#273C85#273C85

#273C85 is a dark, vivid blue. Relative luminance 0.054; OKLCH L 38.4% C 0.125 H 267.9°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#273C85
RGB	rgb(39, 60, 133)
HSL	hsl(227, 55%, 34%)
HSV	hsv(227, 71%, 52%)
CMYK	cmyk(70.7%, 54.9%, 0%, 47.8%)
CIE-LAB	lab(27.73, 17.92, -43.49)
CIE-LCH	lch(27.73, 47.04, 292.39°)
OKLab	oklab(38.36% -0.0045 -0.125)
OKLCH	oklch(38.36% 0.125 267.9)
XYZ	xyz(6.6847, 5.3559, 22.8672)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C85 #857027

analogous

#276B85 #273C85 #412785

triadic

#273C85 #85273C #3C8527

tetradic

#273C85 #85276B #857027 #278541

square

#273C85 #85276B #857027 #278541

split-complementary

#273C85 #854127 #6B8527

monochromatic

#0B1126 #192756 #273C85 #3551B4 #5873CE

Accessibility & contrast

On white

10.14

#273C85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#273C85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C85

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C85	#FFFFFF	#000000	##FFFFFF
##273C85	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#094688

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#004D5A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #273c85;
/* rgb */ color: rgb(39, 60, 133);
/* oklch */ color: oklch(38.4% 0.125 267.9);

Tailwind

colors: {
  custom: {
    50: '#6d71a9',
    500: '#273c85',
    950: '#000000',
  },
}

SCSS

$custom: #273c85;
$custom-light: #6d71a9;
$custom-dark: #000000;

JSON

{
  "hex": "#273c85",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 133
  },
  "hsl": {
    "h": 226.596,
    "s": 54.651,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38357,
    "c": 0.12512,
    "h": 267.9
  },
  "luminance": 0.05357
}

Semantic roles & 50–950 ramp

primary

#273C85

secondary

#B39E55

accent

#BD4ADE

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #273C85

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

Preview Lab → · Contrast checker → · Palette generator →