#278BA9#278BA9

#278BA9 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.4% C 0.099 H 222.7°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#278BA9
RGB	rgb(39, 139, 169)
HSL	hsl(194, 63%, 41%)
HSV	hsv(194, 77%, 66%)
CMYK	cmyk(76.9%, 17.8%, 0%, 33.7%)
CIE-LAB	lab(53.77, -17.77, -23.92)
CIE-LCH	lch(53.77, 29.80, 233.39°)
OKLab	oklab(59.42% -0.0725 -0.067)
OKLCH	oklch(59.42% 0.099 222.7)
XYZ	xyz(17.2278, 21.7591, 40.8204)
Luminance	0.2176 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278BA9 #A94527

analogous

#27A986 #278BA9 #274AA9

triadic

#278BA9 #A9278B #8BA927

tetradic

#278BA9 #8627A9 #A94527 #4AA927

square

#278BA9 #8627A9 #A94527 #4AA927

split-complementary

#278BA9 #A9274A #A98627

monochromatic

#103946 #1C6277 #278BA9 #3BAFD2 #6DC3DD

Accessibility & contrast

On white

3.92

#278BA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#278BA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278BA9

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278BA9	#FFFFFF	#000000	##000000
##278BA9	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A88AB

Deuteranopia (green-blind)

#687BA9

Tritanopia (blue-blind)

#009495

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278ba9;
/* rgb */ color: rgb(39, 139, 169);
/* oklch */ color: oklch(59.4% 0.099 222.7);

Tailwind

colors: {
  custom: {
    50: '#76adc2',
    500: '#278ba9',
    950: '#000000',
  },
}

SCSS

$custom: #278ba9;
$custom-light: #76adc2;
$custom-dark: #000000;

JSON

{
  "hex": "#278ba9",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 169
  },
  "hsl": {
    "h": 193.846,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59416,
    "c": 0.09873,
    "h": 222.7
  },
  "luminance": 0.21761
}

Semantic roles & 50–950 ramp

primary

#278BA9

secondary

#C47D68

accent

#6842E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278BA9

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

Preview Lab → · Contrast checker → · Palette generator →