#278CAC#278CAC

#278CAC is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 59.8% C 0.101 H 224.1°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#278CAC
RGB	rgb(39, 140, 172)
HSL	hsl(194, 63%, 41%)
HSV	hsv(194, 77%, 67%)
CMYK	cmyk(77.3%, 18.6%, 0%, 32.5%)
CIE-LAB	lab(54.20, -17.29, -24.98)
CIE-LCH	lch(54.20, 30.38, 235.32°)
OKLab	oklab(59.8% -0.0724 -0.07)
OKLCH	oklch(59.8% 0.101 224.1)
XYZ	xyz(17.6581, 22.1639, 42.3691)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278CAC #AC4727

analogous

#27AC8A #278CAC #274AAC

triadic

#278CAC #AC278C #8CAC27

tetradic

#278CAC #8A27AC #AC4727 #4AAC27

square

#278CAC #8A27AC #AC4727 #4AAC27

split-complementary

#278CAC #AC274A #AC8A27

monochromatic

#103B48 #1C637A #278CAC #3DAFD3 #6FC4DE

Accessibility & contrast

On white

3.87

#278CAC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#278CAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278CAC

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278CAC	#FFFFFF	#000000	##000000
##278CAC	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A89AE

Deuteranopia (green-blind)

#687CAC

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #278cac;
/* rgb */ color: rgb(39, 140, 172);
/* oklch */ color: oklch(59.8% 0.101 224.1);

Tailwind

colors: {
  custom: {
    50: '#76adc4',
    500: '#278cac',
    950: '#000000',
  },
}

SCSS

$custom: #278cac;
$custom-light: #76adc4;
$custom-dark: #000000;

JSON

{
  "hex": "#278cac",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 172
  },
  "hsl": {
    "h": 194.436,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.59801,
    "c": 0.10068,
    "h": 224.1
  },
  "luminance": 0.22166
}

Semantic roles & 50–950 ramp

primary

#278CAC

secondary

#C5806A

accent

#6942E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278CAC

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

Preview Lab → · Contrast checker → · Palette generator →