#278DA7#278DA7

#278DA7 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 59.8% C 0.097 H 219.1°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#278DA7
RGB	rgb(39, 141, 167)
HSL	hsl(192, 62%, 40%)
HSV	hsv(192, 77%, 65%)
CMYK	cmyk(76.6%, 15.6%, 0%, 34.5%)
CIE-LAB	lab(54.31, -19.52, -21.94)
CIE-LCH	lch(54.31, 29.37, 228.34°)
OKLab	oklab(59.83% -0.0753 -0.0613)
OKLCH	oklch(59.83% 0.097 219.1)
XYZ	xyz(17.3337, 22.2690, 39.9365)
Luminance	0.2227 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278DA7 #A74127

analogous

#27A781 #278DA7 #274DA7

triadic

#278DA7 #A7278D #8DA727

tetradic

#278DA7 #8127A7 #A74127 #4DA727

square

#278DA7 #8127A7 #A74127 #4DA727

split-complementary

#278DA7 #A7274D #A78127

monochromatic

#103944 #1B6375 #278DA7 #3AB2D1 #6CC6DD

Accessibility & contrast

On white

3.85

#278DA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#278DA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278DA7

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278DA7	#FFFFFF	#000000	##000000
##278DA7	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D89A8

Deuteranopia (green-blind)

#6C7CA7

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #278da7;
/* rgb */ color: rgb(39, 141, 167);
/* oklch */ color: oklch(59.8% 0.097 219.1);

Tailwind

colors: {
  custom: {
    50: '#76aec1',
    500: '#278da7',
    950: '#000000',
  },
}

SCSS

$custom: #278da7;
$custom-light: #76aec1;
$custom-dark: #000000;

JSON

{
  "hex": "#278da7",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 167
  },
  "hsl": {
    "h": 192.188,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59825,
    "c": 0.09713,
    "h": 219.1
  },
  "luminance": 0.22271
}

Semantic roles & 50–950 ramp

primary

#278DA7

secondary

#C37967

accent

#6443E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278DA7

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

Preview Lab → · Contrast checker → · Palette generator →