#278BA2#278BA2

#278BA2 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.1% C 0.094 H 217.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#278BA2
RGB	rgb(39, 139, 162)
HSL	hsl(191, 61%, 39%)
HSV	hsv(191, 76%, 64%)
CMYK	cmyk(75.9%, 14.2%, 0%, 36.5%)
CIE-LAB	lab(53.50, -20.13, -20.31)
CIE-LCH	lch(53.50, 28.60, 225.25°)
OKLab	oklab(59.11% -0.0753 -0.0567)
OKLCH	oklch(59.11% 0.094 217)
XYZ	xyz(16.5881, 21.5032, 37.4517)
Luminance	0.2150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278BA2 #A23E27

analogous

#27A27C #278BA2 #274DA2

triadic

#278BA2 #A2278B #8BA227

tetradic

#278BA2 #7C27A2 #A23E27 #4DA227

square

#278BA2 #7C27A2 #A23E27 #4DA227

split-complementary

#278BA2 #A2274D #A27C27

monochromatic

#0F363F #1B6171 #278BA2 #37B3CF #69C5DB

Accessibility & contrast

On white

3.96

#278BA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#278BA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278BA2

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278BA2	#FFFFFF	#000000	##000000
##278BA2	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C87A3

Deuteranopia (green-blind)

#6B7BA2

Tritanopia (blue-blind)

#009392

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278ba2;
/* rgb */ color: rgb(39, 139, 162);
/* oklch */ color: oklch(59.1% 0.094 217.0);

Tailwind

colors: {
  custom: {
    50: '#75adbd',
    500: '#278ba2',
    950: '#000000',
  },
}

SCSS

$custom: #278ba2;
$custom-light: #75adbd;
$custom-dark: #000000;

JSON

{
  "hex": "#278ba2",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 162
  },
  "hsl": {
    "h": 191.22,
    "s": 61.194,
    "l": 39.412
  },
  "oklch": {
    "l": 0.59105,
    "c": 0.0943,
    "h": 217
  },
  "luminance": 0.21505
}

Semantic roles & 50–950 ramp

primary

#278BA2

secondary

#C17564

accent

#6243E4

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278BA2

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

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