#273E61#273E61

#273E61 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.068 H 258.5°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#273E61
RGB	rgb(39, 62, 97)
HSL	hsl(216, 43%, 27%)
HSV	hsv(216, 60%, 38%)
CMYK	cmyk(59.8%, 36.1%, 0%, 62%)
CIE-LAB	lab(25.98, 2.79, -23.44)
CIE-LCH	lch(25.98, 23.61, 276.79°)
OKLab	oklab(36.26% -0.0134 -0.0662)
OKLCH	oklch(36.26% 0.068 258.5)
XYZ	xyz(4.7162, 4.7393, 11.9732)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E61 #614A27

analogous

#275B61 #273E61 #2D2761

triadic

#273E61 #61273E #3E6127

tetradic

#273E61 #61275B #614A27 #27612D

square

#273E61 #61275B #614A27 #27612D

split-complementary

#273E61 #612D27 #5B6127

monochromatic

#090E16 #152235 #273E61 #395A8D #4C76B7

Accessibility & contrast

On white

10.78

#273E61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#273E61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E61

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E61	#FFFFFF	#000000	##FFFFFF
##273E61	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#304062

Deuteranopia (green-blind)

#283B60

Tritanopia (blue-blind)

#01464B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #273e61;
/* rgb */ color: rgb(39, 62, 97);
/* oklch */ color: oklch(36.3% 0.068 258.5);

Tailwind

colors: {
  custom: {
    50: '#66738e',
    500: '#273e61',
    950: '#000000',
  },
}

SCSS

$custom: #273e61;
$custom-light: #66738e;
$custom-dark: #000000;

JSON

{
  "hex": "#273e61",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 97
  },
  "hsl": {
    "h": 216.207,
    "s": 42.647,
    "l": 26.667
  },
  "oklch": {
    "l": 0.36258,
    "c": 0.06752,
    "h": 258.5
  },
  "luminance": 0.0474
}

Semantic roles & 50–950 ramp

primary

#273E61

secondary

#947950

accent

#A155D2

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #273E61

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

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