#273C4E#273C4E

#273C4E is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.041 H 245.2°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#273C4E
RGB	rgb(39, 60, 78)
HSL	hsl(208, 33%, 23%)
HSV	hsv(208, 50%, 31%)
CMYK	cmyk(50%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(24.36, -2.60, -13.53)
CIE-LCH	lch(24.36, 13.78, 259.11°)
OKLab	oklab(34.68% -0.0173 -0.0376)
OKLCH	oklch(34.68% 0.041 245.2)
XYZ	xyz(3.8272, 4.2129, 7.8177)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273C4E #4E3927

analogous

#274E4C #273C4E #27294E

triadic

#273C4E #4E273C #3C4E27

tetradic

#273C4E #4C274E #4E3927 #294E27

square

#273C4E #4C274E #4E3927 #294E27

split-complementary

#273C4E #4E2729 #4E4C27

monochromatic

#0A1014 #131D25 #273C4E #3B5B77 #507BA0

Accessibility & contrast

On white

11.40

#273C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#273C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273C4E

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273C4E	#FFFFFF	#000000	##FFFFFF
##273C4E	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353C4F

Deuteranopia (green-blind)

#2F384E

Tritanopia (blue-blind)

#174042

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #273c4e;
/* rgb */ color: rgb(39, 60, 78);
/* oklch */ color: oklch(34.7% 0.041 245.2);

Tailwind

colors: {
  custom: {
    50: '#63717f',
    500: '#273c4e',
    950: '#000000',
  },
}

SCSS

$custom: #273c4e;
$custom-light: #63717f;
$custom-dark: #000000;

JSON

{
  "hex": "#273c4e",
  "rgb": {
    "r": 39,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 207.692,
    "s": 33.333,
    "l": 22.941
  },
  "oklch": {
    "l": 0.34676,
    "c": 0.04141,
    "h": 245.2
  },
  "luminance": 0.04213
}

Semantic roles & 50–950 ramp

primary

#273C4E

secondary

#816750

accent

#905EC9

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05070A

muted

#7A7A7C

Preview Lab

Preview with #273C4E

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

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