#273E57#273E57

#273E57 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.052 H 251.4°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#273E57
RGB	rgb(39, 62, 87)
HSL	hsl(211, 38%, 25%)
HSV	hsv(211, 55%, 34%)
CMYK	cmyk(55.2%, 28.7%, 0%, 65.9%)
CIE-LAB	lab(25.46, -0.82, -17.76)
CIE-LCH	lch(25.46, 17.78, 267.36°)
OKLab	oklab(35.68% -0.0167 -0.0497)
OKLCH	oklch(35.68% 0.052 251.4)
XYZ	xyz(4.2790, 4.5644, 9.6705)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E57 #574027

analogous

#275657 #273E57 #282757

triadic

#273E57 #57273E #3E5727

tetradic

#273E57 #572756 #574027 #275728

square

#273E57 #572756 #574027 #275728

split-complementary

#273E57 #572827 #565727

monochromatic

#090F15 #14202D #273E57 #3A5C81 #4D7AAC

Accessibility & contrast

On white

10.98

#273E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#273E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E57

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E57	#FFFFFF	#000000	##FFFFFF
##273E57	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343F58

Deuteranopia (green-blind)

#2E3A56

Tritanopia (blue-blind)

#0F4447

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #273e57;
/* rgb */ color: rgb(39, 62, 87);
/* oklch */ color: oklch(35.7% 0.052 251.4);

Tailwind

colors: {
  custom: {
    50: '#657386',
    500: '#273e57',
    950: '#000000',
  },
}

SCSS

$custom: #273e57;
$custom-light: #657386;
$custom-dark: #000000;

JSON

{
  "hex": "#273e57",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 211.25,
    "s": 38.095,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35677,
    "c": 0.05245,
    "h": 251.4
  },
  "luminance": 0.04565
}

Semantic roles & 50–950 ramp

primary

#273E57

secondary

#8A6E50

accent

#965ACE

background

#F6F6F8

surface

#EBECEF

border

#C6C7CA

text

#06080B

muted

#7A7B7C

Preview Lab

Preview with #273E57

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

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