#378CC2#378CC2

#378CC2 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.3% C 0.115 H 240.4°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#378CC2
RGB	rgb(55, 140, 194)
HSL	hsl(203, 56%, 49%)
HSV	hsv(203, 72%, 76%)
CMYK	cmyk(71.6%, 27.8%, 0%, 23.9%)
CIE-LAB	lab(55.54, -7.62, -35.41)
CIE-LCH	lch(55.54, 36.22, 257.86°)
OKLab	oklab(61.3% -0.0567 -0.1)
OKLCH	oklch(61.3% 0.115 240.4)
XYZ	xyz(20.6875, 23.4611, 54.4666)
Luminance	0.2346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378CC2 #C26D37

analogous

#37C2B3 #378CC2 #3747C2

triadic

#378CC2 #C2378C #8CC237

tetradic

#378CC2 #B337C2 #C26D37 #47C237

square

#378CC2 #B337C2 #C26D37 #47C237

split-complementary

#378CC2 #C23747 #C2B337

monochromatic

#1C4763 #296A92 #378CC2 #63A8D3 #93C2E0

Accessibility & contrast

On white

3.69

#378CC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#378CC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378CC2

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378CC2	#FFFFFF	#000000	##000000
##378CC2	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738CC4

Deuteranopia (green-blind)

#607FC1

Tritanopia (blue-blind)

#00999F

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #378cc2;
/* rgb */ color: rgb(55, 140, 194);
/* oklch */ color: oklch(61.3% 0.115 240.4);

Tailwind

colors: {
  custom: {
    50: '#7fadd4',
    500: '#378cc2',
    950: '#000000',
  },
}

SCSS

$custom: #378cc2;
$custom-light: #7fadd4;
$custom-dark: #000000;

JSON

{
  "hex": "#378cc2",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 194
  },
  "hsl": {
    "h": 203.309,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.61298,
    "c": 0.11493,
    "h": 240.4
  },
  "luminance": 0.23463
}

Semantic roles & 50–950 ramp

primary

#378CC2

secondary

#CBA389

accent

#8349DF

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #378CC2

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

Preview Lab → · Contrast checker → · Palette generator →