#278EAA#278EAA

#278EAA is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.2% C 0.099 H 220.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#278EAA
RGB	rgb(39, 142, 170)
HSL	hsl(193, 63%, 41%)
HSV	hsv(193, 77%, 67%)
CMYK	cmyk(77.1%, 16.5%, 0%, 33.3%)
CIE-LAB	lab(54.74, -19.04, -23.00)
CIE-LCH	lch(54.74, 29.86, 230.38°)
OKLab	oklab(60.21% -0.0751 -0.0643)
OKLCH	oklch(60.21% 0.099 220.6)
XYZ	xyz(17.7624, 22.6775, 41.4635)
Luminance	0.2268 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278EAA #AA4327

analogous

#27AA84 #278EAA #274DAA

triadic

#278EAA #AA278E #8EAA27

tetradic

#278EAA #8427AA #AA4327 #4DAA27

square

#278EAA #8427AA #AA4327 #4DAA27

split-complementary

#278EAA #AA274D #AA8427

monochromatic

#103B46 #1C6478 #278EAA #3CB2D2 #6EC6DE

Accessibility & contrast

On white

3.79

#278EAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#278EAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278EAA

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278EAA	#FFFFFF	#000000	##000000
##278EAA	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAB

Deuteranopia (green-blind)

#6C7DAA

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278eaa;
/* rgb */ color: rgb(39, 142, 170);
/* oklch */ color: oklch(60.2% 0.099 220.6);

Tailwind

colors: {
  custom: {
    50: '#76afc3',
    500: '#278eaa',
    950: '#000000',
  },
}

SCSS

$custom: #278eaa;
$custom-light: #76afc3;
$custom-dark: #000000;

JSON

{
  "hex": "#278eaa",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 170
  },
  "hsl": {
    "h": 192.824,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.60207,
    "c": 0.09892,
    "h": 220.6
  },
  "luminance": 0.2268
}

Semantic roles & 50–950 ramp

primary

#278EAA

secondary

#C47C69

accent

#6542E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278EAA

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

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