#388ED9#388ED9

#388ED9 is a light, vivid cyan. Relative luminance 0.252; OKLCH L 63.0% C 0.140 H 248.5°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#388ED9
RGB	rgb(56, 142, 217)
HSL	hsl(208, 68%, 54%)
HSV	hsv(208, 74%, 85%)
CMYK	cmyk(74.2%, 34.6%, 0%, 14.9%)
CIE-LAB	lab(57.26, -0.54, -45.67)
CIE-LCH	lch(57.26, 45.67, 269.32°)
OKLab	oklab(63.03% -0.0512 -0.1298)
OKLCH	oklch(63.03% 0.14 248.5)
XYZ	xyz(23.8235, 25.1938, 69.2395)
Luminance	0.2520 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388ED9 #D98338

analogous

#38D9D3 #388ED9 #383DD9

triadic

#388ED9 #D9388E #8ED938

tetradic

#388ED9 #D338D9 #D98338 #3DD938

square

#388ED9 #D338D9 #D98338 #3DD938

split-complementary

#388ED9 #D9383D #D9D338

monochromatic

#184F7E #226FB2 #388ED9 #6BABE3 #9FC8ED

Accessibility & contrast

On white

3.48

#388ED9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#388ED9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388ED9

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388ED9	#FFFFFF	#000000	##000000
##388ED9	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C92DC

Deuteranopia (green-blind)

#5483D8

Tritanopia (blue-blind)

#00A0A9

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #388ed9;
/* rgb */ color: rgb(56, 142, 217);
/* oklch */ color: oklch(63.0% 0.140 248.5);

Tailwind

colors: {
  custom: {
    50: '#83aee5',
    500: '#388ed9',
    950: '#000000',
  },
}

SCSS

$custom: #388ed9;
$custom-light: #83aee5;
$custom-dark: #000000;

JSON

{
  "hex": "#388ed9",
  "rgb": {
    "r": 56,
    "g": 142,
    "b": 217
  },
  "hsl": {
    "h": 207.95,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.63025,
    "c": 0.13956,
    "h": 248.5
  },
  "luminance": 0.25197
}

Semantic roles & 50–950 ramp

primary

#388ED9

secondary

#D9B494

accent

#8E3DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #388ED9

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

Preview Lab → · Contrast checker → · Palette generator →