#278BA7#278BA7

#278BA7 is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.3% C 0.097 H 221.1°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#278BA7
RGB	rgb(39, 139, 167)
HSL	hsl(193, 62%, 40%)
HSV	hsv(193, 77%, 65%)
CMYK	cmyk(76.6%, 16.8%, 0%, 34.5%)
CIE-LAB	lab(53.69, -18.45, -22.89)
CIE-LCH	lch(53.69, 29.40, 231.13°)
OKLab	oklab(59.33% -0.0733 -0.064)
OKLCH	oklch(59.33% 0.097 221.1)
XYZ	xyz(17.0415, 21.6845, 39.8391)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278BA7 #A74327

analogous

#27A783 #278BA7 #274BA7

triadic

#278BA7 #A7278B #8BA727

tetradic

#278BA7 #8327A7 #A74327 #4BA727

square

#278BA7 #8327A7 #A74327 #4BA727

split-complementary

#278BA7 #A7274B #A78327

monochromatic

#103844 #1B6275 #278BA7 #3AB0D1 #6CC4DD

Accessibility & contrast

On white

3.93

#278BA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#278BA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278BA7

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278BA7	#FFFFFF	#000000	##000000
##278BA7	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A87A8

Deuteranopia (green-blind)

#697BA7

Tritanopia (blue-blind)

#009494

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278ba7;
/* rgb */ color: rgb(39, 139, 167);
/* oklch */ color: oklch(59.3% 0.097 221.1);

Tailwind

colors: {
  custom: {
    50: '#75adc1',
    500: '#278ba7',
    950: '#000000',
  },
}

SCSS

$custom: #278ba7;
$custom-light: #75adc1;
$custom-dark: #000000;

JSON

{
  "hex": "#278ba7",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 167
  },
  "hsl": {
    "h": 193.125,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59326,
    "c": 0.09736,
    "h": 221.1
  },
  "luminance": 0.21687
}

Semantic roles & 50–950 ramp

primary

#278BA7

secondary

#C37B67

accent

#6643E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278BA7

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

Preview Lab → · Contrast checker → · Palette generator →