#278EA9#278EA9

#278EA9 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.2% C 0.098 H 219.8°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#278EA9
RGB	rgb(39, 142, 169)
HSL	hsl(192, 63%, 41%)
HSV	hsv(192, 77%, 66%)
CMYK	cmyk(76.9%, 16%, 0%, 33.7%)
CIE-LAB	lab(54.70, -19.38, -22.49)
CIE-LCH	lch(54.70, 29.69, 229.24°)
OKLab	oklab(60.16% -0.0755 -0.0629)
OKLCH	oklch(60.16% 0.098 219.8)
XYZ	xyz(17.6681, 22.6398, 40.9672)
Luminance	0.2264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278EA9 #A94227

analogous

#27A983 #278EA9 #274DA9

triadic

#278EA9 #A9278E #8EA927

tetradic

#278EA9 #8327A9 #A94227 #4DA927

square

#278EA9 #8327A9 #A94227 #4DA927

split-complementary

#278EA9 #A9274D #A98327

monochromatic

#103A46 #1C6477 #278EA9 #3BB3D2 #6DC6DD

Accessibility & contrast

On white

3.80

#278EA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#278EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278EA9

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278EA9	#FFFFFF	#000000	##000000
##278EA9	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAA

Deuteranopia (green-blind)

#6C7DA9

Tritanopia (blue-blind)

#009797

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278ea9;
/* rgb */ color: rgb(39, 142, 169);
/* oklch */ color: oklch(60.2% 0.098 219.8);

Tailwind

colors: {
  custom: {
    50: '#76afc2',
    500: '#278ea9',
    950: '#000000',
  },
}

SCSS

$custom: #278ea9;
$custom-light: #76afc2;
$custom-dark: #000000;

JSON

{
  "hex": "#278ea9",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 169
  },
  "hsl": {
    "h": 192.462,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.60162,
    "c": 0.09828,
    "h": 219.8
  },
  "luminance": 0.22642
}

Semantic roles & 50–950 ramp

primary

#278EA9

secondary

#C47B68

accent

#6442E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278EA9

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

Preview Lab → · Contrast checker → · Palette generator →