#278CA7#278CA7

#278CA7 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.6% C 0.097 H 220.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#278CA7
RGB	rgb(39, 140, 167)
HSL	hsl(193, 62%, 40%)
HSV	hsv(193, 77%, 65%)
CMYK	cmyk(76.6%, 16.2%, 0%, 34.5%)
CIE-LAB	lab(54.00, -18.99, -22.41)
CIE-LCH	lch(54.00, 29.37, 229.73°)
OKLab	oklab(59.58% -0.0743 -0.0627)
OKLCH	oklch(59.58% 0.097 220.1)
XYZ	xyz(17.1869, 21.9755, 39.8876)
Luminance	0.2198 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278CA7 #A74227

analogous

#27A782 #278CA7 #274CA7

triadic

#278CA7 #A7278C #8CA727

tetradic

#278CA7 #8227A7 #A74227 #4CA727

square

#278CA7 #8227A7 #A74227 #4CA727

split-complementary

#278CA7 #A7274C #A78227

monochromatic

#103944 #1B6275 #278CA7 #3AB1D1 #6CC5DD

Accessibility & contrast

On white

3.89

#278CA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#278CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278CA7

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278CA7	#FFFFFF	#000000	##000000
##278CA7	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C88A8

Deuteranopia (green-blind)

#6A7CA7

Tritanopia (blue-blind)

#009595

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278ca7;
/* rgb */ color: rgb(39, 140, 167);
/* oklch */ color: oklch(59.6% 0.097 220.1);

Tailwind

colors: {
  custom: {
    50: '#75adc1',
    500: '#278ca7',
    950: '#000000',
  },
}

SCSS

$custom: #278ca7;
$custom-light: #75adc1;
$custom-dark: #000000;

JSON

{
  "hex": "#278ca7",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 167
  },
  "hsl": {
    "h": 192.656,
    "s": 62.136,
    "l": 40.392
  },
  "oklch": {
    "l": 0.59575,
    "c": 0.09723,
    "h": 220.1
  },
  "luminance": 0.21978
}

Semantic roles & 50–950 ramp

primary

#278CA7

secondary

#C37A67

accent

#6543E5

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278CA7

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

Preview Lab → · Contrast checker → · Palette generator →