#378EBE#378EBE

#378EBE is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.6% C 0.109 H 236.7°. Best body text is #000000 at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#378EBE
RGB	rgb(55, 142, 190)
HSL	hsl(201, 55%, 48%)
HSV	hsv(201, 71%, 75%)
CMYK	cmyk(71.1%, 25.3%, 0%, 25.5%)
CIE-LAB	lab(55.96, -10.13, -32.49)
CIE-LCH	lch(55.96, 34.03, 252.68°)
OKLab	oklab(61.57% -0.06 -0.0915)
OKLCH	oklch(61.57% 0.109 236.7)
XYZ	xyz(20.5392, 23.8736, 52.2308)
Luminance	0.2388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378EBE #BE6737

analogous

#37BEAA #378EBE #374BBE

triadic

#378EBE #BE378E #8EBE37

tetradic

#378EBE #AA37BE #BE6737 #4BBE37

square

#378EBE #AA37BE #BE6737 #4BBE37

split-complementary

#378EBE #BE374B #BEAA37

monochromatic

#1C475F #296B8F #378EBE #61A9D1 #90C3DF

Accessibility & contrast

On white

3.64

#378EBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.78

#378EBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378EBE

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378EBE	#FFFFFF	#000000	##000000
##378EBE	1.00	3.64	5.78	5.78
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.78	21.00	1.00	1.00
##000000	5.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778DC0

Deuteranopia (green-blind)

#6580BD

Tritanopia (blue-blind)

#009A9E

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #378ebe;
/* rgb */ color: rgb(55, 142, 190);
/* oklch */ color: oklch(61.6% 0.109 236.7);

Tailwind

colors: {
  custom: {
    50: '#7fafd1',
    500: '#378ebe',
    950: '#000000',
  },
}

SCSS

$custom: #378ebe;
$custom-light: #7fafd1;
$custom-dark: #000000;

JSON

{
  "hex": "#378ebe",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 190
  },
  "hsl": {
    "h": 201.333,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.6157,
    "c": 0.10942,
    "h": 236.7
  },
  "luminance": 0.23876
}

Semantic roles & 50–950 ramp

primary

#378EBE

secondary

#CA9F87

accent

#7E49DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378EBE

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

Preview Lab → · Contrast checker → · Palette generator →