#378AE0#378AE0

#378AE0 is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.5% C 0.152 H 252.3°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#378AE0
RGB	rgb(55, 138, 224)
HSL	hsl(211, 73%, 55%)
HSV	hsv(211, 75%, 88%)
CMYK	cmyk(75.4%, 38.4%, 0%, 12.2%)
CIE-LAB	lab(56.45, 4.22, -50.87)
CIE-LCH	lch(56.45, 51.05, 274.75°)
OKLab	oklab(62.5% -0.0464 -0.1451)
OKLCH	oklch(62.5% 0.152 252.3)
XYZ	xyz(24.1135, 24.3682, 73.9392)
Luminance	0.2437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378AE0 #E08D37

analogous

#37DEE0 #378AE0 #3937E0

triadic

#378AE0 #E0378A #8AE037

tetradic

#378AE0 #E037DE #E08D37 #37E039

square

#378AE0 #E037DE #E08D37 #37E039

split-complementary

#378AE0 #E03937 #DEE037

monochromatic

#154D88 #1D6BBD #378AE0 #6CA9E8 #A1C8F0

Accessibility & contrast

On white

3.57

#378AE0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#378AE0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378AE0

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378AE0	#FFFFFF	#000000	##000000
##378AE0	1.00	3.57	5.87	5.87
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6190E3

Deuteranopia (green-blind)

#4780DE

Tritanopia (blue-blind)

#009EAA

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #378ae0;
/* rgb */ color: rgb(55, 138, 224);
/* oklch */ color: oklch(62.5% 0.152 252.3);

Tailwind

colors: {
  custom: {
    50: '#84abea',
    500: '#378ae0',
    950: '#000000',
  },
}

SCSS

$custom: #378ae0;
$custom-light: #84abea;
$custom-dark: #000000;

JSON

{
  "hex": "#378ae0",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 224
  },
  "hsl": {
    "h": 210.533,
    "s": 73.16,
    "l": 54.706
  },
  "oklch": {
    "l": 0.62502,
    "c": 0.15238,
    "h": 252.3
  },
  "luminance": 0.24371
}

Semantic roles & 50–950 ramp

primary

#378AE0

secondary

#DDBA96

accent

#9638F0

background

#F8FAFE

surface

#F0F4FD

border

#CBCED5

text

#0D1016

muted

#7D7F84

Preview Lab

Preview with #378AE0

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

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