#378EBF#378EBF

#378EBF is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.6% C 0.110 H 237.3°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#378EBF
RGB	rgb(55, 142, 191)
HSL	hsl(202, 55%, 48%)
HSV	hsv(202, 71%, 75%)
CMYK	cmyk(71.2%, 25.7%, 0%, 25.1%)
CIE-LAB	lab(56.01, -9.79, -32.99)
CIE-LCH	lch(56.01, 34.41, 253.47°)
OKLab	oklab(61.62% -0.0597 -0.0929)
OKLCH	oklch(61.62% 0.11 237.3)
XYZ	xyz(20.6488, 23.9175, 52.8084)
Luminance	0.2392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378EBF #BF6837

analogous

#37BFAC #378EBF #374ABF

triadic

#378EBF #BF378E #8EBF37

tetradic

#378EBF #AC37BF #BF6837 #4ABF37

square

#378EBF #AC37BF #BF6837 #4ABF37

split-complementary

#378EBF #BF374A #BFAC37

monochromatic

#1C4760 #296B8F #378EBF #62A9D2 #91C3DF

Accessibility & contrast

On white

3.63

#378EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#378EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378EBF

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378EBF	#FFFFFF	#000000	##000000
##378EBF	1.00	3.63	5.78	5.78
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778EC1

Deuteranopia (green-blind)

#6480BE

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #378ebf;
/* rgb */ color: rgb(55, 142, 191);
/* oklch */ color: oklch(61.6% 0.110 237.3);

Tailwind

colors: {
  custom: {
    50: '#7fafd2',
    500: '#378ebf',
    950: '#000000',
  },
}

SCSS

$custom: #378ebf;
$custom-light: #7fafd2;
$custom-dark: #000000;

JSON

{
  "hex": "#378ebf",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 191
  },
  "hsl": {
    "h": 201.618,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.61619,
    "c": 0.11045,
    "h": 237.3
  },
  "luminance": 0.2392
}

Semantic roles & 50–950 ramp

primary

#378EBF

secondary

#CAA088

accent

#7F49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378EBF

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

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