#378FC1#378FC1

#378FC1 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 62.0% C 0.112 H 237.6°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#378FC1
RGB	rgb(55, 143, 193)
HSL	hsl(202, 56%, 49%)
HSV	hsv(202, 72%, 76%)
CMYK	cmyk(71.5%, 25.9%, 0%, 24.3%)
CIE-LAB	lab(56.39, -9.67, -33.52)
CIE-LCH	lch(56.39, 34.89, 253.91°)
OKLab	oklab(61.96% -0.06 -0.0945)
OKLCH	oklch(61.96% 0.112 237.6)
XYZ	xyz(21.0199, 24.3050, 54.0253)
Luminance	0.2431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FC1 #C16937

analogous

#37C1AE #378FC1 #374AC1

triadic

#378FC1 #C1378F #8FC137

tetradic

#378FC1 #AE37C1 #C16937 #4AC137

square

#378FC1 #AE37C1 #C16937 #4AC137

split-complementary

#378FC1 #C1374A #C1AE37

monochromatic

#1C4862 #296C91 #378FC1 #63AAD2 #92C4E0

Accessibility & contrast

On white

3.58

#378FC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#378FC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FC1

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FC1	#FFFFFF	#000000	##000000
##378FC1	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778FC3

Deuteranopia (green-blind)

#6581C0

Tritanopia (blue-blind)

#009CA0

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #378fc1;
/* rgb */ color: rgb(55, 143, 193);
/* oklch */ color: oklch(62.0% 0.112 237.6);

Tailwind

colors: {
  custom: {
    50: '#7fafd4',
    500: '#378fc1',
    950: '#000000',
  },
}

SCSS

$custom: #378fc1;
$custom-light: #7fafd4;
$custom-dark: #000000;

JSON

{
  "hex": "#378fc1",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 193
  },
  "hsl": {
    "h": 201.739,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.61956,
    "c": 0.11191,
    "h": 237.6
  },
  "luminance": 0.24307
}

Semantic roles & 50–950 ramp

primary

#378FC1

secondary

#CBA189

accent

#7F49DF

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #378FC1

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

Preview Lab → · Contrast checker → · Palette generator →