#278DAE#278DAE

#278DAE is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.1% C 0.102 H 224.6°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#278DAE
RGB	rgb(39, 141, 174)
HSL	hsl(195, 63%, 42%)
HSV	hsv(195, 78%, 68%)
CMYK	cmyk(77.6%, 19%, 0%, 31.8%)
CIE-LAB	lab(54.59, -17.14, -25.52)
CIE-LCH	lch(54.59, 30.75, 236.11°)
OKLab	oklab(60.14% -0.0726 -0.0716)
OKLCH	oklch(60.14% 0.102 224.6)
XYZ	xyz(17.9984, 22.5349, 43.4373)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278DAE #AE4827

analogous

#27AE8C #278DAE #2749AE

triadic

#278DAE #AE278D #8DAE27

tetradic

#278DAE #8C27AE #AE4827 #49AE27

square

#278DAE #8C27AE #AE4827 #49AE27

split-complementary

#278DAE #AE2749 #AE8C27

monochromatic

#113C4A #1C647C #278DAE #3EAFD4 #70C4DF

Accessibility & contrast

On white

3.81

#278DAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#278DAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278DAE

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278DAE	#FFFFFF	#000000	##000000
##278DAE	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8AB0

Deuteranopia (green-blind)

#697DAE

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278dae;
/* rgb */ color: rgb(39, 141, 174);
/* oklch */ color: oklch(60.1% 0.102 224.6);

Tailwind

colors: {
  custom: {
    50: '#77aec6',
    500: '#278dae',
    950: '#000000',
  },
}

SCSS

$custom: #278dae;
$custom-light: #77aec6;
$custom-dark: #000000;

JSON

{
  "hex": "#278dae",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 174
  },
  "hsl": {
    "h": 194.667,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60141,
    "c": 0.10192,
    "h": 224.6
  },
  "luminance": 0.22537
}

Semantic roles & 50–950 ramp

primary

#278DAE

secondary

#C6816B

accent

#6A41E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278DAE

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

Preview Lab → · Contrast checker → · Palette generator →