#273F83#273F83

#273F83 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 38.9% C 0.118 H 266.3°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#273F83
RGB	rgb(39, 63, 131)
HSL	hsl(224, 54%, 33%)
HSV	hsv(224, 70%, 51%)
CMYK	cmyk(70.2%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(28.44, 15.07, -41.09)
CIE-LCH	lch(28.44, 43.76, 290.15°)
OKLab	oklab(38.86% -0.0075 -0.1179)
OKLCH	oklch(38.86% 0.118 266.3)
XYZ	xyz(6.7095, 5.6244, 22.2003)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273F83 #836B27

analogous

#276D83 #273F83 #3D2783

triadic

#273F83 #83273F #3F8327

tetradic

#273F83 #83276D #836B27 #27833D

square

#273F83 #83276D #836B27 #27833D

split-complementary

#273F83 #833D27 #6D8327

monochromatic

#0B1225 #192854 #273F83 #3556B2 #5776CD

Accessibility & contrast

On white

9.88

#273F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#273F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273F83

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273F83	#FFFFFF	#000000	##FFFFFF
##273F83	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184885

Deuteranopia (green-blind)

#003F82

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #273f83;
/* rgb */ color: rgb(39, 63, 131);
/* oklch */ color: oklch(38.9% 0.118 266.3);

Tailwind

colors: {
  custom: {
    50: '#6d73a7',
    500: '#273f83',
    950: '#000000',
  },
}

SCSS

$custom: #273f83;
$custom-light: #6d73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#273f83",
  "rgb": {
    "r": 39,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 224.348,
    "s": 54.118,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38855,
    "c": 0.11815,
    "h": 266.3
  },
  "luminance": 0.05625
}

Semantic roles & 50–950 ramp

primary

#273F83

secondary

#B29954

accent

#B74ADD

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #273F83

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

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