#378AE2#378AE2

#378AE2 is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.6% C 0.155 H 252.7°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#378AE2
RGB	rgb(55, 138, 226)
HSL	hsl(211, 75%, 55%)
HSV	hsv(211, 76%, 89%)
CMYK	cmyk(75.7%, 38.9%, 0%, 11.4%)
CIE-LAB	lab(56.56, 4.95, -51.82)
CIE-LCH	lch(56.56, 52.05, 275.45°)
OKLab	oklab(62.62% -0.046 -0.1479)
OKLCH	oklch(62.62% 0.155 252.7)
XYZ	xyz(24.3863, 24.4773, 75.3761)
Luminance	0.2448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378AE2 #E28F37

analogous

#37DFE2 #378AE2 #3937E2

triadic

#378AE2 #E2378A #8AE237

tetradic

#378AE2 #E237DF #E28F37 #37E239

square

#378AE2 #E237DF #E28F37 #37E239

split-complementary

#378AE2 #E23937 #DFE237

monochromatic

#144E8B #1C6CC0 #378AE2 #6CA9EA #A2C9F2

Accessibility & contrast

On white

3.56

#378AE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#378AE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378AE2

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378AE2	#FFFFFF	#000000	##000000
##378AE2	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6090E6

Deuteranopia (green-blind)

#4580E0

Tritanopia (blue-blind)

#009FAB

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #378ae2;
/* rgb */ color: rgb(55, 138, 226);
/* oklch */ color: oklch(62.6% 0.155 252.7);

Tailwind

colors: {
  custom: {
    50: '#85abeb',
    500: '#378ae2',
    950: '#000000',
  },
}

SCSS

$custom: #378ae2;
$custom-light: #85abeb;
$custom-dark: #000000;

JSON

{
  "hex": "#378ae2",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 226
  },
  "hsl": {
    "h": 210.877,
    "s": 74.672,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62622,
    "c": 0.15488,
    "h": 252.7
  },
  "luminance": 0.2448
}

Semantic roles & 50–950 ramp

primary

#378AE2

secondary

#DEBB97

accent

#9737F1

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #378AE2

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

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