#278FAE#278FAE

#278FAE is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.6% C 0.101 H 222.7°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#278FAE
RGB	rgb(39, 143, 174)
HSL	hsl(194, 63%, 42%)
HSV	hsv(194, 78%, 68%)
CMYK	cmyk(77.6%, 17.8%, 0%, 31.8%)
CIE-LAB	lab(55.21, -18.23, -24.57)
CIE-LCH	lch(55.21, 30.59, 233.44°)
OKLab	oklab(60.63% -0.0745 -0.0688)
OKLCH	oklch(60.63% 0.101 222.7)
XYZ	xyz(18.2960, 23.1300, 43.5365)
Luminance	0.2313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278FAE #AE4627

analogous

#27AE8A #278FAE #274CAE

triadic

#278FAE #AE278F #8FAE27

tetradic

#278FAE #8A27AE #AE4627 #4CAE27

square

#278FAE #8A27AE #AE4627 #4CAE27

split-complementary

#278FAE #AE274C #AE8A27

monochromatic

#113D4A #1C667C #278FAE #3EB2D4 #70C6DF

Accessibility & contrast

On white

3.73

#278FAE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#278FAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278FAE

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278FAE	#FFFFFF	#000000	##000000
##278FAE	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8CB0

Deuteranopia (green-blind)

#6B7FAE

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #278fae;
/* rgb */ color: rgb(39, 143, 174);
/* oklch */ color: oklch(60.6% 0.101 222.7);

Tailwind

colors: {
  custom: {
    50: '#77b0c6',
    500: '#278fae',
    950: '#000000',
  },
}

SCSS

$custom: #278fae;
$custom-light: #77b0c6;
$custom-dark: #000000;

JSON

{
  "hex": "#278fae",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 174
  },
  "hsl": {
    "h": 193.778,
    "s": 63.38,
    "l": 41.765
  },
  "oklch": {
    "l": 0.60635,
    "c": 0.10146,
    "h": 222.7
  },
  "luminance": 0.23132
}

Semantic roles & 50–950 ramp

primary

#278FAE

secondary

#C6806B

accent

#6741E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278FAE

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

Preview Lab → · Contrast checker → · Palette generator →