#273A4E#273A4E

#273A4E is a dark, muted cyan. Relative luminance 0.040; OKLCH L 34.2% C 0.043 H 250.4°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#273A4E
RGB	rgb(39, 58, 78)
HSL	hsl(211, 33%, 23%)
HSV	hsv(211, 50%, 31%)
CMYK	cmyk(50%, 25.6%, 0%, 69.4%)
CIE-LAB	lab(23.70, -1.27, -14.56)
CIE-LCH	lch(23.70, 14.62, 265.00°)
OKLab	oklab(34.15% -0.0144 -0.0405)
OKLCH	oklch(34.15% 0.043 250.4)
XYZ	xyz(3.7244, 4.0073, 7.7835)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273A4E #4E3B27

analogous

#274D4E #273A4E #27274E

triadic

#273A4E #4E273A #3A4E27

tetradic

#273A4E #4E274D #4E3B27 #274E27

square

#273A4E #4E274D #4E3B27 #274E27

split-complementary

#273A4E #4E2727 #4D4E27

monochromatic

#0A0F14 #131C25 #273A4E #3B5877 #5077A0

Accessibility & contrast

On white

11.66

#273A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#273A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273A4E

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273A4E	#FFFFFF	#000000	##FFFFFF
##273A4E	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B4F

Deuteranopia (green-blind)

#2D374E

Tritanopia (blue-blind)

#173F41

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #273a4e;
/* rgb */ color: rgb(39, 58, 78);
/* oklch */ color: oklch(34.2% 0.043 250.4);

Tailwind

colors: {
  custom: {
    50: '#63707f',
    500: '#273a4e',
    950: '#000000',
  },
}

SCSS

$custom: #273a4e;
$custom-light: #63707f;
$custom-dark: #000000;

JSON

{
  "hex": "#273a4e",
  "rgb": {
    "r": 39,
    "g": 58,
    "b": 78
  },
  "hsl": {
    "h": 210.769,
    "s": 33.333,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3415,
    "c": 0.04304,
    "h": 250.4
  },
  "luminance": 0.04008
}

Semantic roles & 50–950 ramp

primary

#273A4E

secondary

#816950

accent

#955EC9

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #273A4E

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

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