#278AA9#278AA9

#278AA9 is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.2% C 0.099 H 223.7°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#278AA9
RGB	rgb(39, 138, 169)
HSL	hsl(194, 63%, 41%)
HSV	hsv(194, 77%, 66%)
CMYK	cmyk(76.9%, 18.3%, 0%, 33.7%)
CIE-LAB	lab(53.46, -17.23, -24.40)
CIE-LCH	lch(53.46, 29.86, 234.77°)
OKLab	oklab(59.17% -0.0715 -0.0683)
OKLCH	oklch(59.17% 0.099 223.7)
XYZ	xyz(17.0836, 21.4708, 40.7723)
Luminance	0.2147 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278AA9 #A94627

analogous

#27A987 #278AA9 #2749A9

triadic

#278AA9 #A9278A #8AA927

tetradic

#278AA9 #8727A9 #A94627 #49A927

square

#278AA9 #8727A9 #A94627 #49A927

split-complementary

#278AA9 #A92749 #A98727

monochromatic

#103946 #1C6177 #278AA9 #3BAED2 #6DC3DD

Accessibility & contrast

On white

3.97

#278AA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#278AA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278AA9

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278AA9	#FFFFFF	#000000	##000000
##278AA9	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AB

Deuteranopia (green-blind)

#677AA9

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #278aa9;
/* rgb */ color: rgb(39, 138, 169);
/* oklch */ color: oklch(59.2% 0.099 223.7);

Tailwind

colors: {
  custom: {
    50: '#76acc2',
    500: '#278aa9',
    950: '#000000',
  },
}

SCSS

$custom: #278aa9;
$custom-light: #76acc2;
$custom-dark: #000000;

JSON

{
  "hex": "#278aa9",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 169
  },
  "hsl": {
    "h": 194.308,
    "s": 62.5,
    "l": 40.784
  },
  "oklch": {
    "l": 0.59168,
    "c": 0.09895,
    "h": 223.7
  },
  "luminance": 0.21473
}

Semantic roles & 50–950 ramp

primary

#278AA9

secondary

#C47E68

accent

#6942E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #278AA9

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

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