#378EC1#378EC1

#378EC1 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.7% C 0.113 H 238.4°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#378EC1
RGB	rgb(55, 142, 193)
HSL	hsl(202, 56%, 49%)
HSV	hsv(202, 72%, 76%)
CMYK	cmyk(71.5%, 26.4%, 0%, 24.3%)
CIE-LAB	lab(56.09, -9.10, -33.99)
CIE-LCH	lch(56.09, 35.18, 255.01°)
OKLab	oklab(61.72% -0.059 -0.0958)
OKLCH	oklch(61.72% 0.113 238.4)
XYZ	xyz(20.8704, 24.0061, 53.9755)
Luminance	0.2401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378EC1 #C16A37

analogous

#37C1AF #378EC1 #3749C1

triadic

#378EC1 #C1378E #8EC137

tetradic

#378EC1 #AF37C1 #C16A37 #49C137

square

#378EC1 #AF37C1 #C16A37 #49C137

split-complementary

#378EC1 #C13749 #C1AF37

monochromatic

#1C4862 #296B91 #378EC1 #63A9D2 #92C3E0

Accessibility & contrast

On white

3.62

#378EC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#378EC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378EC1

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378EC1	#FFFFFF	#000000	##000000
##378EC1	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768EC3

Deuteranopia (green-blind)

#6381C0

Tritanopia (blue-blind)

#009BA0

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #378ec1;
/* rgb */ color: rgb(55, 142, 193);
/* oklch */ color: oklch(61.7% 0.113 238.4);

Tailwind

colors: {
  custom: {
    50: '#7fafd4',
    500: '#378ec1',
    950: '#000000',
  },
}

SCSS

$custom: #378ec1;
$custom-light: #7fafd4;
$custom-dark: #000000;

JSON

{
  "hex": "#378ec1",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 193
  },
  "hsl": {
    "h": 202.174,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.61719,
    "c": 0.11253,
    "h": 238.4
  },
  "luminance": 0.24008
}

Semantic roles & 50–950 ramp

primary

#378EC1

secondary

#CBA189

accent

#8049DF

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #378EC1

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

Preview Lab → · Contrast checker → · Palette generator →