#378FBF#378FBF

#378FBF is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.9% C 0.110 H 236.5°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#378FBF
RGB	rgb(55, 143, 191)
HSL	hsl(201, 55%, 48%)
HSV	hsv(201, 71%, 75%)
CMYK	cmyk(71.2%, 25.1%, 0%, 25.1%)
CIE-LAB	lab(56.30, -10.35, -32.52)
CIE-LCH	lch(56.30, 34.13, 252.34°)
OKLab	oklab(61.86% -0.0607 -0.0916)
OKLCH	oklch(61.86% 0.11 236.5)
XYZ	xyz(20.7983, 24.2164, 52.8582)
Luminance	0.2422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FBF #BF6737

analogous

#37BFAB #378FBF #374BBF

triadic

#378FBF #BF378F #8FBF37

tetradic

#378FBF #AB37BF #BF6737 #4BBF37

square

#378FBF #AB37BF #BF6737 #4BBF37

split-complementary

#378FBF #BF374B #BFAB37

monochromatic

#1C4860 #296B8F #378FBF #62AAD2 #91C4DF

Accessibility & contrast

On white

3.59

#378FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#378FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FBF

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FBF	#FFFFFF	#000000	##000000
##378FBF	1.00	3.59	5.84	5.84
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788EC1

Deuteranopia (green-blind)

#6681BE

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #378fbf;
/* rgb */ color: rgb(55, 143, 191);
/* oklch */ color: oklch(61.9% 0.110 236.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#378fbf",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 191
  },
  "hsl": {
    "h": 201.176,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.61857,
    "c": 0.10985,
    "h": 236.5
  },
  "luminance": 0.24219
}

Semantic roles & 50–950 ramp

primary

#378FBF

secondary

#CA9F88

accent

#7E49DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378FBF

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

Preview Lab → · Contrast checker → · Palette generator →