#378DC1#378DC1

#378DC1 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.5% C 0.113 H 239.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#378DC1
RGB	rgb(55, 141, 193)
HSL	hsl(203, 56%, 49%)
HSV	hsv(203, 72%, 76%)
CMYK	cmyk(71.5%, 26.9%, 0%, 24.3%)
CIE-LAB	lab(55.80, -8.53, -34.45)
CIE-LCH	lch(55.80, 35.49, 256.09°)
OKLab	oklab(61.48% -0.058 -0.0972)
OKLCH	oklch(61.48% 0.113 239.2)
XYZ	xyz(20.7223, 23.7099, 53.9261)
Luminance	0.2371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DC1 #C16B37

analogous

#37C1B0 #378DC1 #3748C1

triadic

#378DC1 #C1378D #8DC137

tetradic

#378DC1 #B037C1 #C16B37 #48C137

square

#378DC1 #B037C1 #C16B37 #48C137

split-complementary

#378DC1 #C13748 #C1B037

monochromatic

#1C4762 #296A91 #378DC1 #63A8D2 #92C3E0

Accessibility & contrast

On white

3.66

#378DC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#378DC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DC1

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DC1	#FFFFFF	#000000	##000000
##378DC1	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#758DC3

Deuteranopia (green-blind)

#6280C0

Tritanopia (blue-blind)

#009A9F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #378dc1;
/* rgb */ color: rgb(55, 141, 193);
/* oklch */ color: oklch(61.5% 0.113 239.2);

Tailwind

colors: {
  custom: {
    50: '#7faed4',
    500: '#378dc1',
    950: '#000000',
  },
}

SCSS

$custom: #378dc1;
$custom-light: #7faed4;
$custom-dark: #000000;

JSON

{
  "hex": "#378dc1",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 193
  },
  "hsl": {
    "h": 202.609,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.61483,
    "c": 0.11318,
    "h": 239.2
  },
  "luminance": 0.23712
}

Semantic roles & 50–950 ramp

primary

#378DC1

secondary

#CBA289

accent

#8149DF

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #378DC1

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

Preview Lab → · Contrast checker → · Palette generator →