#378ADA#378ADA

#378ADA is a light, vivid cyan. Relative luminance 0.241; OKLCH L 62.2% C 0.145 H 250.7°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#378ADA
RGB	rgb(55, 138, 218)
HSL	hsl(209, 69%, 54%)
HSV	hsv(209, 75%, 85%)
CMYK	cmyk(74.8%, 36.7%, 0%, 14.5%)
CIE-LAB	lab(56.14, 2.06, -48.02)
CIE-LCH	lch(56.14, 48.06, 272.45°)
OKLab	oklab(62.15% -0.0479 -0.1368)
OKLCH	oklch(62.15% 0.145 250.7)
XYZ	xyz(23.3141, 24.0484, 69.7292)
Luminance	0.2405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378ADA #DA8737

analogous

#37DAD8 #378ADA #3738DA

triadic

#378ADA #DA378A #8ADA37

tetradic

#378ADA #D837DA #DA8737 #38DA37

square

#378ADA #D837DA #DA8737 #38DA37

split-complementary

#378ADA #DA3738 #DAD837

monochromatic

#184C7F #216BB3 #378ADA #6BA8E4 #9EC6ED

Accessibility & contrast

On white

3.61

#378ADA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#378ADA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378ADA

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378ADA	#FFFFFF	#000000	##000000
##378ADA	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658FDD

Deuteranopia (green-blind)

#4C80D8

Tritanopia (blue-blind)

#009DA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #378ada;
/* rgb */ color: rgb(55, 138, 218);
/* oklch */ color: oklch(62.2% 0.145 250.7);

Tailwind

colors: {
  custom: {
    50: '#83abe6',
    500: '#378ada',
    950: '#000000',
  },
}

SCSS

$custom: #378ada;
$custom-light: #83abe6;
$custom-dark: #000000;

JSON

{
  "hex": "#378ada",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 218
  },
  "hsl": {
    "h": 209.448,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6215,
    "c": 0.14492,
    "h": 250.7
  },
  "luminance": 0.24051
}

Semantic roles & 50–950 ramp

primary

#378ADA

secondary

#D9B693

accent

#923CEC

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #378ADA

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

Preview Lab → · Contrast checker → · Palette generator →