#378FCA#378FCA

#378FCA is a light, vivid cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.122 H 242.0°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#378FCA
RGB	rgb(55, 143, 202)
HSL	hsl(204, 58%, 50%)
HSV	hsv(204, 73%, 79%)
CMYK	cmyk(72.8%, 29.2%, 0%, 20.8%)
CIE-LAB	lab(56.80, -6.55, -37.97)
CIE-LCH	lch(56.80, 38.53, 260.22°)
OKLab	oklab(62.41% -0.0571 -0.1074)
OKLCH	oklch(62.41% 0.122 242)
XYZ	xyz(22.0545, 24.7189, 59.4745)
Luminance	0.2472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FCA #CA7237

analogous

#37CABC #378FCA #3745CA

triadic

#378FCA #CA378F #8FCA37

tetradic

#378FCA #BC37CA #CA7237 #45CA37

square

#378FCA #BC37CA #CA7237 #45CA37

split-complementary

#378FCA #CA3745 #CABC37

monochromatic

#1C4B6A #296D9B #378FCA #67AAD7 #98C5E4

Accessibility & contrast

On white

3.53

#378FCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#378FCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FCA

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FCA	#FFFFFF	#000000	##000000
##378FCA	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7490CD

Deuteranopia (green-blind)

#6082C9

Tritanopia (blue-blind)

#009EA4

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #378fca;
/* rgb */ color: rgb(55, 143, 202);
/* oklch */ color: oklch(62.4% 0.122 242.0);

Tailwind

colors: {
  custom: {
    50: '#80afda',
    500: '#378fca',
    950: '#000000',
  },
}

SCSS

$custom: #378fca;
$custom-light: #80afda;
$custom-dark: #000000;

JSON

{
  "hex": "#378fca",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 202
  },
  "hsl": {
    "h": 204.082,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.62414,
    "c": 0.12159,
    "h": 242
  },
  "luminance": 0.24721
}

Semantic roles & 50–950 ramp

primary

#378FCA

secondary

#CFA88E

accent

#8546E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #378FCA

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

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