#273B82#273B82

#273B82 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 37.9% C 0.122 H 268.2°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#273B82
RGB	rgb(39, 59, 130)
HSL	hsl(227, 54%, 33%)
HSV	hsv(227, 70%, 51%)
CMYK	cmyk(70%, 54.6%, 0%, 49%)
CIE-LAB	lab(27.21, 17.45, -42.45)
CIE-LCH	lch(27.21, 45.89, 292.34°)
OKLab	oklab(37.9% -0.0038 -0.122)
OKLCH	oklch(37.9% 0.122 268.2)
XYZ	xyz(6.4285, 5.1704, 21.7740)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273B82 #826E27

analogous

#276882 #273B82 #402782

triadic

#273B82 #82273B #3B8227

tetradic

#273B82 #822768 #826E27 #278240

square

#273B82 #822768 #826E27 #278240

split-complementary

#273B82 #824027 #688227

monochromatic

#0B1024 #192653 #273B82 #3550B1 #5771CD

Accessibility & contrast

On white

10.32

#273B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#273B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273B82

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273B82	#FFFFFF	#000000	##FFFFFF
##273B82	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B4585

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#004C58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #273b82;
/* rgb */ color: rgb(39, 59, 130);
/* oklch */ color: oklch(37.9% 0.122 268.2);

Tailwind

colors: {
  custom: {
    50: '#6d70a7',
    500: '#273b82',
    950: '#000000',
  },
}

SCSS

$custom: #273b82;
$custom-light: #6d70a7;
$custom-dark: #000000;

JSON

{
  "hex": "#273b82",
  "rgb": {
    "r": 39,
    "g": 59,
    "b": 130
  },
  "hsl": {
    "h": 226.813,
    "s": 53.846,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37899,
    "c": 0.12204,
    "h": 268.2
  },
  "luminance": 0.05171
}

Semantic roles & 50–950 ramp

primary

#273B82

secondary

#B19D53

accent

#BD4BDD

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #273B82

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

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