#278DAF#278DAF

#278DAF is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.2% C 0.103 H 225.3°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#278DAF
RGB	rgb(39, 141, 175)
HSL	hsl(195, 64%, 42%)
HSV	hsv(195, 78%, 69%)
CMYK	cmyk(77.7%, 19.4%, 0%, 31.4%)
CIE-LAB	lab(54.63, -16.80, -26.03)
CIE-LCH	lch(54.63, 30.98, 237.16°)
OKLab	oklab(60.19% -0.0722 -0.073)
OKLCH	oklch(60.19% 0.103 225.3)
XYZ	xyz(18.0962, 22.5740, 43.9526)
Luminance	0.2258 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278DAF #AF4927

analogous

#27AF8D #278DAF #2749AF

triadic

#278DAF #AF278D #8DAF27

tetradic

#278DAF #8D27AF #AF4927 #49AF27

square

#278DAF #8D27AF #AF4927 #49AF27

split-complementary

#278DAF #AF2749 #AF8D27

monochromatic

#113C4B #1C657D #278DAF #3FAFD4 #71C4DF

Accessibility & contrast

On white

3.81

#278DAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#278DAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278DAF

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278DAF	#FFFFFF	#000000	##000000
##278DAF	1.00	3.81	5.52	5.52
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8AB1

Deuteranopia (green-blind)

#687DAF

Tritanopia (blue-blind)

#009798

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278daf;
/* rgb */ color: rgb(39, 141, 175);
/* oklch */ color: oklch(60.2% 0.103 225.3);

Tailwind

colors: {
  custom: {
    50: '#77aec7',
    500: '#278daf',
    950: '#000000',
  },
}

SCSS

$custom: #278daf;
$custom-light: #77aec7;
$custom-dark: #000000;

JSON

{
  "hex": "#278daf",
  "rgb": {
    "r": 39,
    "g": 141,
    "b": 175
  },
  "hsl": {
    "h": 195,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60187,
    "c": 0.10269,
    "h": 225.3
  },
  "luminance": 0.22576
}

Semantic roles & 50–950 ramp

primary

#278DAF

secondary

#C6826B

accent

#6B41E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278DAF

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

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