#278CAA#278CAA

#278CAA is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 59.7% C 0.099 H 222.5°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#278CAA
RGB	rgb(39, 140, 170)
HSL	hsl(194, 63%, 41%)
HSV	hsv(194, 77%, 67%)
CMYK	cmyk(77.1%, 17.6%, 0%, 33.3%)
CIE-LAB	lab(54.12, -17.97, -23.95)
CIE-LCH	lch(54.12, 29.95, 233.13°)
OKLab	oklab(59.71% -0.0731 -0.0671)
OKLCH	oklch(59.71% 0.099 222.5)
XYZ	xyz(17.4675, 22.0877, 41.3652)
Luminance	0.2209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278CAA #AA4527

analogous

#27AA86 #278CAA #274BAA

triadic

#278CAA #AA278C #8CAA27

tetradic

#278CAA #8627AA #AA4527 #4BAA27

square

#278CAA #8627AA #AA4527 #4BAA27

split-complementary

#278CAA #AA274B #AA8627

monochromatic

#103A46 #1C6378 #278CAA #3CB0D2 #6EC4DE

Accessibility & contrast

On white

3.88

#278CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#278CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278CAA

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278CAA	#FFFFFF	#000000	##000000
##278CAA	1.00	3.88	5.42	5.42
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B89AC

Deuteranopia (green-blind)

#697CAA

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278caa;
/* rgb */ color: rgb(39, 140, 170);
/* oklch */ color: oklch(59.7% 0.099 222.5);

Tailwind

colors: {
  custom: {
    50: '#76adc3',
    500: '#278caa',
    950: '#000000',
  },
}

SCSS

$custom: #278caa;
$custom-light: #76adc3;
$custom-dark: #000000;

JSON

{
  "hex": "#278caa",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 170
  },
  "hsl": {
    "h": 193.74,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.5971,
    "c": 0.09924,
    "h": 222.5
  },
  "luminance": 0.2209
}

Semantic roles & 50–950 ramp

primary

#278CAA

secondary

#C47E69

accent

#6842E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278CAA

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

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