#278BAD#278BAD

#278BAD is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.6% C 0.102 H 225.7°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#278BAD
RGB	rgb(39, 139, 173)
HSL	hsl(195, 63%, 42%)
HSV	hsv(195, 77%, 68%)
CMYK	cmyk(77.5%, 19.7%, 0%, 32.2%)
CIE-LAB	lab(53.93, -16.40, -25.96)
CIE-LCH	lch(53.93, 30.71, 237.73°)
OKLab	oklab(59.6% -0.071 -0.0728)
OKLCH	oklch(59.6% 0.102 225.7)
XYZ	xyz(17.6090, 21.9116, 42.8283)
Luminance	0.2191 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278BAD #AD4927

analogous

#27AD8C #278BAD #2748AD

triadic

#278BAD #AD278B #8BAD27

tetradic

#278BAD #8C27AD #AD4927 #48AD27

square

#278BAD #8C27AD #AD4927 #48AD27

split-complementary

#278BAD #AD2748 #AD8C27

monochromatic

#103B49 #1C637B #278BAD #3EADD3 #70C3DF

Accessibility & contrast

On white

3.90

#278BAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#278BAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278BAD

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278BAD	#FFFFFF	#000000	##000000
##278BAD	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888AF

Deuteranopia (green-blind)

#677BAD

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278bad;
/* rgb */ color: rgb(39, 139, 173);
/* oklch */ color: oklch(59.6% 0.102 225.7);

Tailwind

colors: {
  custom: {
    50: '#76adc5',
    500: '#278bad',
    950: '#000000',
  },
}

SCSS

$custom: #278bad;
$custom-light: #76adc5;
$custom-dark: #000000;

JSON

{
  "hex": "#278bad",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 173
  },
  "hsl": {
    "h": 195.224,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.59601,
    "c": 0.10171,
    "h": 225.7
  },
  "luminance": 0.21914
}

Semantic roles & 50–950 ramp

primary

#278BAD

secondary

#C6816A

accent

#6B42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278BAD

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

Preview Lab → · Contrast checker → · Palette generator →