#278CAE#278CAE

#278CAE is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.9% C 0.102 H 225.5°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#278CAE
RGB	rgb(39, 140, 174)
HSL	hsl(195, 63%, 42%)
HSV	hsv(195, 78%, 68%)
CMYK	cmyk(77.6%, 19.5%, 0%, 31.8%)
CIE-LAB	lab(54.28, -16.60, -26.00)
CIE-LCH	lch(54.28, 30.85, 237.44°)
OKLab	oklab(59.89% -0.0716 -0.0729)
OKLCH	oklch(59.89% 0.102 225.5)
XYZ	xyz(17.8516, 22.2413, 43.3883)
Luminance	0.2224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278CAE #AE4927

analogous

#27AE8D #278CAE #2749AE

triadic

#278CAE #AE278C #8CAE27

tetradic

#278CAE #8D27AE #AE4927 #49AE27

square

#278CAE #8D27AE #AE4927 #49AE27

split-complementary

#278CAE #AE2749 #AE8D27

monochromatic

#113C4A #1C647C #278CAE #3EAED4 #70C3DF

Accessibility & contrast

On white

3.85

#278CAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#278CAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278CAE

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

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

#7989B0

Deuteranopia (green-blind)

#677CAE

Tritanopia (blue-blind)

#009697

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #278cae;
/* rgb */ color: rgb(39, 140, 174);
/* oklch */ color: oklch(59.9% 0.102 225.5);

Tailwind

colors: {
  custom: {
    50: '#76adc6',
    500: '#278cae',
    950: '#000000',
  },
}

SCSS

$custom: #278cae;
$custom-light: #76adc6;
$custom-dark: #000000;

JSON

{
  "hex": "#278cae",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 174
  },
  "hsl": {
    "h": 195.111,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.59894,
    "c": 0.1022,
    "h": 225.5
  },
  "luminance": 0.22243
}

Semantic roles & 50–950 ramp

primary

#278CAE

secondary

#C6826B

accent

#6B41E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278CAE

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

Preview Lab → · Contrast checker → · Palette generator →