#278CA2#278CA2

#278CA2 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.4% C 0.094 H 215.9°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#278CA2
RGB	rgb(39, 140, 162)
HSL	hsl(191, 61%, 39%)
HSV	hsv(191, 76%, 64%)
CMYK	cmyk(75.9%, 13.6%, 0%, 36.5%)
CIE-LAB	lab(53.81, -20.66, -19.83)
CIE-LCH	lch(53.81, 28.64, 223.83°)
OKLab	oklab(59.36% -0.0764 -0.0553)
OKLCH	oklch(59.36% 0.094 215.9)
XYZ	xyz(16.7336, 21.7941, 37.5002)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278CA2 #A23D27

analogous

#27A27B #278CA2 #274EA2

triadic

#278CA2 #A2278C #8CA227

tetradic

#278CA2 #7B27A2 #A23D27 #4EA227

square

#278CA2 #7B27A2 #A23D27 #4EA227

split-complementary

#278CA2 #A2274E #A27B27

monochromatic

#0F373F #1B6171 #278CA2 #37B4CF #69C6DB

Accessibility & contrast

On white

3.92

#278CA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#278CA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278CA2

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278CA2	#FFFFFF	#000000	##000000
##278CA2	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D88A3

Deuteranopia (green-blind)

#6C7BA2

Tritanopia (blue-blind)

#009493

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278ca2;
/* rgb */ color: rgb(39, 140, 162);
/* oklch */ color: oklch(59.4% 0.094 215.9);

Tailwind

colors: {
  custom: {
    50: '#75adbd',
    500: '#278ca2',
    950: '#000000',
  },
}

SCSS

$custom: #278ca2;
$custom-light: #75adbd;
$custom-dark: #000000;

JSON

{
  "hex": "#278ca2",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 162
  },
  "hsl": {
    "h": 190.732,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.59356,
    "c": 0.0943,
    "h": 215.9
  },
  "luminance": 0.21796
}

Semantic roles & 50–950 ramp

primary

#278CA2

secondary

#C17564

accent

#6043E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278CA2

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

Preview Lab → · Contrast checker → · Palette generator →