#273E4E#273E4E

#273E4E is a dark, muted cyan. Relative luminance 0.044; OKLCH L 35.2% C 0.040 H 239.7°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#273E4E
RGB	rgb(39, 62, 78)
HSL	hsl(205, 33%, 23%)
HSV	hsv(205, 50%, 31%)
CMYK	cmyk(50%, 20.5%, 0%, 69.4%)
CIE-LAB	lab(25.03, -3.91, -12.50)
CIE-LCH	lch(25.03, 13.10, 252.62°)
OKLab	oklab(35.21% -0.0202 -0.0347)
OKLCH	oklch(35.21% 0.04 239.7)
XYZ	xyz(3.9340, 4.4264, 7.8533)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273E4E #4E3727

analogous

#274E4A #273E4E #272B4E

triadic

#273E4E #4E273E #3E4E27

tetradic

#273E4E #4A274E #4E3727 #2B4E27

square

#273E4E #4A274E #4E3727 #2B4E27

split-complementary

#273E4E #4E272B #4E4A27

monochromatic

#0A1014 #131E25 #273E4E #3B5E77 #507FA0

Accessibility & contrast

On white

11.14

#273E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#273E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273E4E

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273E4E	#FFFFFF	#000000	##FFFFFF
##273E4E	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373E4F

Deuteranopia (green-blind)

#323A4E

Tritanopia (blue-blind)

#164243

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #273e4e;
/* rgb */ color: rgb(39, 62, 78);
/* oklch */ color: oklch(35.2% 0.040 239.7);

Tailwind

colors: {
  custom: {
    50: '#63737f',
    500: '#273e4e',
    950: '#000000',
  },
}

SCSS

$custom: #273e4e;
$custom-light: #63737f;
$custom-dark: #000000;

JSON

{
  "hex": "#273e4e",
  "rgb": {
    "r": 39,
    "g": 62,
    "b": 78
  },
  "hsl": {
    "h": 204.615,
    "s": 33.333,
    "l": 22.941
  },
  "oklch": {
    "l": 0.35205,
    "c": 0.04015,
    "h": 239.7
  },
  "luminance": 0.04427
}

Semantic roles & 50–950 ramp

primary

#273E4E

secondary

#816450

accent

#8A5EC9

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #273E4E

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

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