#278EAE#278EAE

#278EAE is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.4% C 0.102 H 223.7°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#278EAE
RGB	rgb(39, 142, 174)
HSL	hsl(194, 63%, 42%)
HSV	hsv(194, 78%, 68%)
CMYK	cmyk(77.6%, 18.4%, 0%, 31.8%)
CIE-LAB	lab(54.90, -17.69, -25.05)
CIE-LCH	lch(54.90, 30.66, 234.78°)
OKLab	oklab(60.39% -0.0735 -0.0702)
OKLCH	oklch(60.39% 0.102 223.7)
XYZ	xyz(18.1465, 22.8311, 43.4866)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278EAE #AE4727

analogous

#27AE8B #278EAE #274BAE

triadic

#278EAE #AE278E #8EAE27

tetradic

#278EAE #8B27AE #AE4727 #4BAE27

square

#278EAE #8B27AE #AE4727 #4BAE27

split-complementary

#278EAE #AE274B #AE8B27

monochromatic

#113C4A #1C657C #278EAE #3EB0D4 #70C5DF

Accessibility & contrast

On white

3.77

#278EAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#278EAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278EAE

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

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

#7C8BB0

Deuteranopia (green-blind)

#6A7EAE

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278eae;
/* rgb */ color: rgb(39, 142, 174);
/* oklch */ color: oklch(60.4% 0.102 223.7);

Tailwind

colors: {
  custom: {
    50: '#77afc6',
    500: '#278eae',
    950: '#000000',
  },
}

SCSS

$custom: #278eae;
$custom-light: #77afc6;
$custom-dark: #000000;

JSON

{
  "hex": "#278eae",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 174
  },
  "hsl": {
    "h": 194.222,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60388,
    "c": 0.10167,
    "h": 223.7
  },
  "luminance": 0.22833
}

Semantic roles & 50–950 ramp

primary

#278EAE

secondary

#C6806B

accent

#6941E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278EAE

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

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