#278FA7#278FA7

#278FA7 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.3% C 0.097 H 217.2°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#278FA7
RGB	rgb(39, 143, 167)
HSL	hsl(191, 62%, 40%)
HSV	hsv(191, 77%, 65%)
CMYK	cmyk(76.6%, 14.4%, 0%, 34.5%)
CIE-LAB	lab(54.93, -20.58, -20.99)
CIE-LCH	lch(54.93, 29.40, 225.55°)
OKLab	oklab(60.32% -0.0773 -0.0586)
OKLCH	oklch(60.32% 0.097 217.2)
XYZ	xyz(17.6313, 22.8641, 40.0357)
Luminance	0.2287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278FA7 #A73F27

analogous

#27A77F #278FA7 #274FA7

triadic

#278FA7 #A7278F #8FA727

tetradic

#278FA7 #7F27A7 #A73F27 #4FA727

square

#278FA7 #7F27A7 #A73F27 #4FA727

split-complementary

#278FA7 #A7274F #A77F27

monochromatic

#103A44 #1B6575 #278FA7 #3AB5D1 #6CC7DD

Accessibility & contrast

On white

3.77

#278FA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#278FA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278FA7

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278FA7	#FFFFFF	#000000	##000000
##278FA7	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8BA8

Deuteranopia (green-blind)

#6E7EA7

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278fa7;
/* rgb */ color: rgb(39, 143, 167);
/* oklch */ color: oklch(60.3% 0.097 217.2);

Tailwind

colors: {
  custom: {
    50: '#76b0c1',
    500: '#278fa7',
    950: '#000000',
  },
}

SCSS

$custom: #278fa7;
$custom-light: #76b0c1;
$custom-dark: #000000;

JSON

{
  "hex": "#278fa7",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 167
  },
  "hsl": {
    "h": 191.25,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.60324,
    "c": 0.09703,
    "h": 217.2
  },
  "luminance": 0.22866
}

Semantic roles & 50–950 ramp

primary

#278FA7

secondary

#C37867

accent

#6143E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278FA7

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

Preview Lab → · Contrast checker → · Palette generator →