#278BAA#278BAA

#278BAA is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.099 H 223.5°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#278BAA
RGB	rgb(39, 139, 170)
HSL	hsl(194, 63%, 41%)
HSV	hsv(194, 77%, 67%)
CMYK	cmyk(77.1%, 18.2%, 0%, 33.3%)
CIE-LAB	lab(53.81, -17.43, -24.43)
CIE-LCH	lch(53.81, 30.01, 234.50°)
OKLab	oklab(59.46% -0.0722 -0.0684)
OKLCH	oklch(59.46% 0.099 223.5)
XYZ	xyz(17.3220, 21.7968, 41.3167)
Luminance	0.2180 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278BAA #AA4627

analogous

#27AA87 #278BAA #274AAA

triadic

#278BAA #AA278B #8BAA27

tetradic

#278BAA #8727AA #AA4627 #4AAA27

square

#278BAA #8727AA #AA4627 #4AAA27

split-complementary

#278BAA #AA274A #AA8727

monochromatic

#103A46 #1C6278 #278BAA #3CAFD2 #6EC3DE

Accessibility & contrast

On white

3.92

#278BAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#278BAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278BAA

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278BAA	#FFFFFF	#000000	##000000
##278BAA	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7988AC

Deuteranopia (green-blind)

#687BAA

Tritanopia (blue-blind)

#009495

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #278baa;
/* rgb */ color: rgb(39, 139, 170);
/* oklch */ color: oklch(59.5% 0.099 223.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#278baa",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 170
  },
  "hsl": {
    "h": 194.198,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.59462,
    "c": 0.09945,
    "h": 223.5
  },
  "luminance": 0.21799
}

Semantic roles & 50–950 ramp

primary

#278BAA

secondary

#C47E69

accent

#6942E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278BAA

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

Preview Lab → · Contrast checker → · Palette generator →