#278EAF#278EAF

#278EAF is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.4% C 0.102 H 224.4°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#278EAF
RGB	rgb(39, 142, 175)
HSL	hsl(195, 64%, 42%)
HSV	hsv(195, 78%, 69%)
CMYK	cmyk(77.7%, 18.9%, 0%, 31.4%)
CIE-LAB	lab(54.94, -17.34, -25.56)
CIE-LCH	lch(54.94, 30.89, 235.84°)
OKLab	oklab(60.43% -0.0732 -0.0717)
OKLCH	oklch(60.43% 0.102 224.4)
XYZ	xyz(18.2444, 22.8703, 44.0020)
Luminance	0.2287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278EAF #AF4827

analogous

#27AF8C #278EAF #274AAF

triadic

#278EAF #AF278E #8EAF27

tetradic

#278EAF #8C27AF #AF4827 #4AAF27

square

#278EAF #8C27AF #AF4827 #4AAF27

split-complementary

#278EAF #AF274A #AF8C27

monochromatic

#113D4B #1C657D #278EAF #3FB0D4 #71C5DF

Accessibility & contrast

On white

3.77

#278EAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#278EAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278EAF

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278EAF	#FFFFFF	#000000	##000000
##278EAF	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8BB1

Deuteranopia (green-blind)

#697EAF

Tritanopia (blue-blind)

#009899

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #278eaf;
/* rgb */ color: rgb(39, 142, 175);
/* oklch */ color: oklch(60.4% 0.102 224.4);

Tailwind

colors: {
  custom: {
    50: '#77afc7',
    500: '#278eaf',
    950: '#000000',
  },
}

SCSS

$custom: #278eaf;
$custom-light: #77afc7;
$custom-dark: #000000;

JSON

{
  "hex": "#278eaf",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 175
  },
  "hsl": {
    "h": 194.559,
    "s": 63.551,
    "l": 41.961
  },
  "oklch": {
    "l": 0.60433,
    "c": 0.10242,
    "h": 224.4
  },
  "luminance": 0.22872
}

Semantic roles & 50–950 ramp

primary

#278EAF

secondary

#C6826B

accent

#6941E7

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #278EAF

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

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