#278DAD#278DAD

#278DAD is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.1% C 0.101 H 223.9°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#278DAD
RGB	rgb(39, 141, 173)
HSL	hsl(194, 63%, 42%)
HSV	hsv(194, 77%, 68%)
CMYK	cmyk(77.5%, 18.5%, 0%, 32.2%)
CIE-LAB	lab(54.55, -17.49, -25.01)
CIE-LCH	lch(54.55, 30.52, 235.04°)
OKLab	oklab(60.1% -0.073 -0.0701)
OKLCH	oklch(60.1% 0.101 223.9)
XYZ	xyz(17.9013, 22.4960, 42.9258)
Luminance	0.2250 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278DAD #AD4727

analogous

#27AD8A #278DAD #274AAD

triadic

#278DAD #AD278D #8DAD27

tetradic

#278DAD #8A27AD #AD4727 #4AAD27

square

#278DAD #8A27AD #AD4727 #4AAD27

split-complementary

#278DAD #AD274A #AD8A27

monochromatic

#103C49 #1C647B #278DAD #3EB0D3 #70C4DF

Accessibility & contrast

On white

3.82

#278DAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#278DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278DAD

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278DAD	#FFFFFF	#000000	##000000
##278DAD	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8AAF

Deuteranopia (green-blind)

#697DAD

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #278dad;
/* rgb */ color: rgb(39, 141, 173);
/* oklch */ color: oklch(60.1% 0.101 223.9);

Tailwind

colors: {
  custom: {
    50: '#76aec5',
    500: '#278dad',
    950: '#000000',
  },
}

SCSS

$custom: #278dad;
$custom-light: #76aec5;
$custom-dark: #000000;

JSON

{
  "hex": "#278dad",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 173
  },
  "hsl": {
    "h": 194.328,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.60095,
    "c": 0.10118,
    "h": 223.9
  },
  "luminance": 0.22498
}

Semantic roles & 50–950 ramp

primary

#278DAD

secondary

#C6806A

accent

#6942E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278DAD

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

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