#278FA8#278FA8

#278FA8 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.098 H 218.0°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#278FA8
RGB	rgb(39, 143, 168)
HSL	hsl(192, 62%, 41%)
HSV	hsv(192, 77%, 66%)
CMYK	cmyk(76.8%, 14.9%, 0%, 34.1%)
CIE-LAB	lab(54.97, -20.25, -21.50)
CIE-LCH	lch(54.97, 29.54, 226.71°)
OKLab	oklab(60.37% -0.0769 -0.0601)
OKLCH	oklch(60.37% 0.098 218)
XYZ	xyz(17.7241, 22.9013, 40.5245)
Luminance	0.2290 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278FA8 #A84027

analogous

#27A880 #278FA8 #274EA8

triadic

#278FA8 #A8278F #8FA827

tetradic

#278FA8 #8027A8 #A84027 #4EA827

square

#278FA8 #8027A8 #A84027 #4EA827

split-complementary

#278FA8 #A8274E #A88027

monochromatic

#103A45 #1B6576 #278FA8 #3BB4D1 #6CC7DD

Accessibility & contrast

On white

3.76

#278FA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#278FA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278FA8

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278FA8	#FFFFFF	#000000	##000000
##278FA8	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8BA9

Deuteranopia (green-blind)

#6E7EA8

Tritanopia (blue-blind)

#009897

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #278fa8;
/* rgb */ color: rgb(39, 143, 168);
/* oklch */ color: oklch(60.4% 0.098 218.0);

Tailwind

colors: {
  custom: {
    50: '#76b0c2',
    500: '#278fa8',
    950: '#000000',
  },
}

SCSS

$custom: #278fa8;
$custom-light: #76b0c2;
$custom-dark: #000000;

JSON

{
  "hex": "#278fa8",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 168
  },
  "hsl": {
    "h": 191.628,
    "s": 62.319,
    "l": 40.588
  },
  "oklch": {
    "l": 0.60368,
    "c": 0.0976,
    "h": 218
  },
  "luminance": 0.22903
}

Semantic roles & 50–950 ramp

primary

#278FA8

secondary

#C37967

accent

#6242E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278FA8

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

Preview Lab → · Contrast checker → · Palette generator →