#378EC0#378EC0

#378EC0 is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.7% C 0.111 H 237.8°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#378EC0
RGB	rgb(55, 142, 192)
HSL	hsl(202, 55%, 48%)
HSV	hsv(202, 71%, 75%)
CMYK	cmyk(71.4%, 26%, 0%, 24.7%)
CIE-LAB	lab(56.05, -9.45, -33.49)
CIE-LCH	lch(56.05, 34.79, 254.25°)
OKLab	oklab(61.67% -0.0593 -0.0944)
OKLCH	oklch(61.67% 0.111 237.8)
XYZ	xyz(20.7593, 23.9617, 53.3899)
Luminance	0.2396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378EC0 #C06937

analogous

#37C0AD #378EC0 #3749C0

triadic

#378EC0 #C0378E #8EC037

tetradic

#378EC0 #AD37C0 #C06937 #49C037

square

#378EC0 #AD37C0 #C06937 #49C037

split-complementary

#378EC0 #C03749 #C0AD37

monochromatic

#1C4861 #296B90 #378EC0 #62A9D2 #92C3E0

Accessibility & contrast

On white

3.63

#378EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#378EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378EC0

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378EC0	#FFFFFF	#000000	##000000
##378EC0	1.00	3.63	5.79	5.79
#FFFFFF	3.63	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768EC2

Deuteranopia (green-blind)

#6480BF

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #378ec0;
/* rgb */ color: rgb(55, 142, 192);
/* oklch */ color: oklch(61.7% 0.111 237.8);

Tailwind

colors: {
  custom: {
    50: '#7fafd3',
    500: '#378ec0',
    950: '#000000',
  },
}

SCSS

$custom: #378ec0;
$custom-light: #7fafd3;
$custom-dark: #000000;

JSON

{
  "hex": "#378ec0",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 192
  },
  "hsl": {
    "h": 201.898,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.61669,
    "c": 0.11148,
    "h": 237.8
  },
  "luminance": 0.23964
}

Semantic roles & 50–950 ramp

primary

#378EC0

secondary

#CBA088

accent

#8049DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378EC0

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

Preview Lab → · Contrast checker → · Palette generator →