#278FA6#278FA6

#278FA6 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.3% C 0.096 H 216.3°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#278FA6
RGB	rgb(39, 143, 166)
HSL	hsl(191, 62%, 40%)
HSV	hsv(191, 77%, 65%)
CMYK	cmyk(76.5%, 13.9%, 0%, 34.9%)
CIE-LAB	lab(54.89, -20.92, -20.47)
CIE-LCH	lch(54.89, 29.27, 224.38°)
OKLab	oklab(60.28% -0.0777 -0.0571)
OKLCH	oklch(60.28% 0.096 216.3)
XYZ	xyz(17.5392, 22.8273, 39.5507)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278FA6 #A63E27

analogous

#27A67D #278FA6 #2750A6

triadic

#278FA6 #A6278F #8FA627

tetradic

#278FA6 #7D27A6 #A63E27 #50A627

square

#278FA6 #7D27A6 #A63E27 #50A627

split-complementary

#278FA6 #A62750 #A67D27

monochromatic

#103A43 #1B6474 #278FA6 #3AB5D1 #6BC8DC

Accessibility & contrast

On white

3.77

#278FA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#278FA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278FA6

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278FA6	#FFFFFF	#000000	##000000
##278FA6	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)

#808AA7

Deuteranopia (green-blind)

#6E7EA6

Tritanopia (blue-blind)

#009796

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278fa6;
/* rgb */ color: rgb(39, 143, 166);
/* oklch */ color: oklch(60.3% 0.096 216.3);

Tailwind

colors: {
  custom: {
    50: '#76b0c0',
    500: '#278fa6',
    950: '#000000',
  },
}

SCSS

$custom: #278fa6;
$custom-light: #76b0c0;
$custom-dark: #000000;

JSON

{
  "hex": "#278fa6",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 166
  },
  "hsl": {
    "h": 190.866,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.60281,
    "c": 0.09648,
    "h": 216.3
  },
  "luminance": 0.22829
}

Semantic roles & 50–950 ramp

primary

#278FA6

secondary

#C37766

accent

#6043E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278FA6

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

Preview Lab → · Contrast checker → · Palette generator →