#378EC2#378EC2

#378EC2 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.8% C 0.114 H 238.9°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#378EC2
RGB	rgb(55, 142, 194)
HSL	hsl(202, 56%, 49%)
HSV	hsv(202, 72%, 76%)
CMYK	cmyk(71.6%, 26.8%, 0%, 23.9%)
CIE-LAB	lab(56.14, -8.76, -34.48)
CIE-LCH	lch(56.14, 35.58, 255.75°)
OKLab	oklab(61.77% -0.0587 -0.0973)
OKLCH	oklch(61.77% 0.114 238.9)
XYZ	xyz(20.9824, 24.0509, 54.5649)
Luminance	0.2405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378EC2 #C26B37

analogous

#37C2B1 #378EC2 #3749C2

triadic

#378EC2 #C2378E #8EC237

tetradic

#378EC2 #B137C2 #C26B37 #49C237

square

#378EC2 #B137C2 #C26B37 #49C237

split-complementary

#378EC2 #C23749 #C2B137

monochromatic

#1C4863 #296B92 #378EC2 #63A9D3 #93C3E0

Accessibility & contrast

On white

3.61

#378EC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#378EC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378EC2

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378EC2	#FFFFFF	#000000	##000000
##378EC2	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768EC4

Deuteranopia (green-blind)

#6381C1

Tritanopia (blue-blind)

#009BA0

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #378ec2;
/* rgb */ color: rgb(55, 142, 194);
/* oklch */ color: oklch(61.8% 0.114 238.9);

Tailwind

colors: {
  custom: {
    50: '#7fafd4',
    500: '#378ec2',
    950: '#000000',
  },
}

SCSS

$custom: #378ec2;
$custom-light: #7fafd4;
$custom-dark: #000000;

JSON

{
  "hex": "#378ec2",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 194
  },
  "hsl": {
    "h": 202.446,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.61769,
    "c": 0.11358,
    "h": 238.9
  },
  "luminance": 0.24053
}

Semantic roles & 50–950 ramp

primary

#378EC2

secondary

#CBA289

accent

#8149DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #378EC2

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

Preview Lab → · Contrast checker → · Palette generator →