#278EA7#278EA7

#278EA7 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.1% C 0.097 H 218.2°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#278EA7
RGB	rgb(39, 142, 167)
HSL	hsl(192, 62%, 40%)
HSV	hsv(192, 77%, 65%)
CMYK	cmyk(76.6%, 15%, 0%, 34.5%)
CIE-LAB	lab(54.62, -20.05, -21.46)
CIE-LCH	lch(54.62, 29.37, 226.94°)
OKLab	oklab(60.07% -0.0763 -0.06)
OKLCH	oklch(60.07% 0.097 218.2)
XYZ	xyz(17.4818, 22.5652, 39.9859)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278EA7 #A74027

analogous

#27A780 #278EA7 #274EA7

triadic

#278EA7 #A7278E #8EA727

tetradic

#278EA7 #8027A7 #A74027 #4EA727

square

#278EA7 #8027A7 #A74027 #4EA727

split-complementary

#278EA7 #A7274E #A78027

monochromatic

#103A44 #1B6475 #278EA7 #3AB4D1 #6CC7DD

Accessibility & contrast

On white

3.81

#278EA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#278EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278EA7

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278EA7	#FFFFFF	#000000	##000000
##278EA7	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8AA8

Deuteranopia (green-blind)

#6D7DA7

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278ea7;
/* rgb */ color: rgb(39, 142, 167);
/* oklch */ color: oklch(60.1% 0.097 218.2);

Tailwind

colors: {
  custom: {
    50: '#76afc1',
    500: '#278ea7',
    950: '#000000',
  },
}

SCSS

$custom: #278ea7;
$custom-light: #76afc1;
$custom-dark: #000000;

JSON

{
  "hex": "#278ea7",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 167
  },
  "hsl": {
    "h": 191.719,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.60074,
    "c": 0.09706,
    "h": 218.2
  },
  "luminance": 0.22567
}

Semantic roles & 50–950 ramp

primary

#278EA7

secondary

#C37967

accent

#6243E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278EA7

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

Preview Lab → · Contrast checker → · Palette generator →