#273D4E#273D4E

#273D4E is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.041 H 242.5°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#273D4E
RGB	rgb(39, 61, 78)
HSL	hsl(206, 33%, 23%)
HSV	hsv(206, 50%, 31%)
CMYK	cmyk(50%, 21.8%, 0%, 69.4%)
CIE-LAB	lab(24.70, -3.26, -13.02)
CIE-LCH	lch(24.70, 13.42, 255.94°)
OKLab	oklab(34.94% -0.0188 -0.0361)
OKLCH	oklch(34.94% 0.041 242.5)
XYZ	xyz(3.8801, 4.3186, 7.8354)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#273D4E #4E3827

analogous

#274E4B #273D4E #27294E

triadic

#273D4E #4E273D #3D4E27

tetradic

#273D4E #4B274E #4E3827 #294E27

square

#273D4E #4B274E #4E3827 #294E27

split-complementary

#273D4E #4E2729 #4E4B27

monochromatic

#0A1014 #131D25 #273D4E #3B5D77 #507DA0

Accessibility & contrast

On white

11.27

#273D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#273D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #273D4E

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##273D4E	#FFFFFF	#000000	##FFFFFF
##273D4E	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363D4F

Deuteranopia (green-blind)

#31394E

Tritanopia (blue-blind)

#164143

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #273d4e;
/* rgb */ color: rgb(39, 61, 78);
/* oklch */ color: oklch(34.9% 0.041 242.5);

Tailwind

colors: {
  custom: {
    50: '#63727f',
    500: '#273d4e',
    950: '#000000',
  },
}

SCSS

$custom: #273d4e;
$custom-light: #63727f;
$custom-dark: #000000;

JSON

{
  "hex": "#273d4e",
  "rgb": {
    "r": 39,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 206.154,
    "s": 33.333,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3494,
    "c": 0.04074,
    "h": 242.5
  },
  "luminance": 0.04319
}

Semantic roles & 50–950 ramp

primary

#273D4E

secondary

#816550

accent

#8D5EC9

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#05080A

muted

#7A7B7C

Preview Lab

Preview with #273D4E

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

Preview Lab → · Contrast checker → · Palette generator →