#388DE3#388DE3

#388DE3 is a light, vivid cyan. Relative luminance 0.254; OKLCH L 63.4% C 0.153 H 251.8°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#388DE3
RGB	rgb(56, 141, 227)
HSL	hsl(210, 75%, 55%)
HSV	hsv(210, 75%, 89%)
CMYK	cmyk(75.3%, 37.9%, 0%, 11%)
CIE-LAB	lab(57.50, 3.63, -50.89)
CIE-LCH	lch(57.50, 51.02, 274.09°)
OKLab	oklab(63.38% -0.0478 -0.1451)
OKLCH	oklch(63.38% 0.153 251.8)
XYZ	xyz(25.0157, 25.4337, 76.2489)
Luminance	0.2544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388DE3 #E38E38

analogous

#38E3E3 #388DE3 #3838E3

triadic

#388DE3 #E3388D #8DE338

tetradic

#388DE3 #E338E3 #E38E38 #38E338

square

#388DE3 #E338E3 #E38E38 #38E338

split-complementary

#388DE3 #E33838 #E3E338

monochromatic

#14508D #1B6EC2 #388DE3 #6EACEB #A3CAF2

Accessibility & contrast

On white

3.45

#388DE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#388DE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388DE3

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388DE3	#FFFFFF	#000000	##000000
##388DE3	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6593E6

Deuteranopia (green-blind)

#4A83E1

Tritanopia (blue-blind)

#00A1AD

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #388de3;
/* rgb */ color: rgb(56, 141, 227);
/* oklch */ color: oklch(63.4% 0.153 251.8);

Tailwind

colors: {
  custom: {
    50: '#85adec',
    500: '#388de3',
    950: '#000000',
  },
}

SCSS

$custom: #388de3;
$custom-light: #85adec;
$custom-dark: #000000;

JSON

{
  "hex": "#388de3",
  "rgb": {
    "r": 56,
    "g": 141,
    "b": 227
  },
  "hsl": {
    "h": 210.175,
    "s": 75.33,
    "l": 55.49
  },
  "oklch": {
    "l": 0.63376,
    "c": 0.15278,
    "h": 251.8
  },
  "luminance": 0.25437
}

Semantic roles & 50–950 ramp

primary

#388DE3

secondary

#DFBC98

accent

#9436F2

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #388DE3

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

Preview Lab → · Contrast checker → · Palette generator →