#378FC3#378FC3

#378FC3 is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.1% C 0.114 H 238.6°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#378FC3
RGB	rgb(55, 143, 195)
HSL	hsl(202, 56%, 49%)
HSV	hsv(202, 72%, 76%)
CMYK	cmyk(71.8%, 26.7%, 0%, 23.5%)
CIE-LAB	lab(56.48, -8.98, -34.51)
CIE-LCH	lch(56.48, 35.66, 255.42°)
OKLab	oklab(62.06% -0.0593 -0.0973)
OKLCH	oklch(62.06% 0.114 238.6)
XYZ	xyz(21.2445, 24.3949, 55.2082)
Luminance	0.2440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FC3 #C36B37

analogous

#37C3B1 #378FC3 #3749C3

triadic

#378FC3 #C3378F #8FC337

tetradic

#378FC3 #B137C3 #C36B37 #49C337

square

#378FC3 #B137C3 #C36B37 #49C337

split-complementary

#378FC3 #C33749 #C3B137

monochromatic

#1C4964 #2A6C93 #378FC3 #64AAD3 #94C4E1

Accessibility & contrast

On white

3.57

#378FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#378FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FC3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FC3	#FFFFFF	#000000	##000000
##378FC3	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778FC5

Deuteranopia (green-blind)

#6381C2

Tritanopia (blue-blind)

#009CA1

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #378fc3;
/* rgb */ color: rgb(55, 143, 195);
/* oklch */ color: oklch(62.1% 0.114 238.6);

Tailwind

colors: {
  custom: {
    50: '#7fafd5',
    500: '#378fc3',
    950: '#000000',
  },
}

SCSS

$custom: #378fc3;
$custom-light: #7fafd5;
$custom-dark: #000000;

JSON

{
  "hex": "#378fc3",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 195
  },
  "hsl": {
    "h": 202.286,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.62056,
    "c": 0.11399,
    "h": 238.6
  },
  "luminance": 0.24397
}

Semantic roles & 50–950 ramp

primary

#378FC3

secondary

#CCA28A

accent

#8149DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #378FC3

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

Preview Lab → · Contrast checker → · Palette generator →