#388CC9#388CC9

#388CC9 is a mid, vivid cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.122 H 243.9°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#388CC9
RGB	rgb(56, 140, 201)
HSL	hsl(205, 57%, 50%)
HSV	hsv(205, 72%, 79%)
CMYK	cmyk(72.1%, 30.3%, 0%, 21.2%)
CIE-LAB	lab(55.90, -5.03, -38.82)
CIE-LCH	lch(55.90, 39.14, 262.61°)
OKLab	oklab(61.69% -0.0539 -0.1099)
OKLCH	oklch(61.69% 0.122 243.9)
XYZ	xyz(21.5475, 23.8115, 58.7075)
Luminance	0.2381 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388CC9 #C97538

analogous

#38C9BD #388CC9 #3844C9

triadic

#388CC9 #C9388C #8CC938

tetradic

#388CC9 #BD38C9 #C97538 #44C938

square

#388CC9 #BD38C9 #C97538 #44C938

split-complementary

#388CC9 #C93844 #C9BD38

monochromatic

#1D496A #2A6B9A #388CC9 #68A8D6 #98C4E3

Accessibility & contrast

On white

3.64

#388CC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#388CC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CC9

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388CC9	#FFFFFF	#000000	##000000
##388CC9	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708ECC

Deuteranopia (green-blind)

#5C80C8

Tritanopia (blue-blind)

#009BA2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #388cc9;
/* rgb */ color: rgb(56, 140, 201);
/* oklch */ color: oklch(61.7% 0.122 243.9);

Tailwind

colors: {
  custom: {
    50: '#81add9',
    500: '#388cc9',
    950: '#000000',
  },
}

SCSS

$custom: #388cc9;
$custom-light: #81add9;
$custom-dark: #000000;

JSON

{
  "hex": "#388cc9",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 201
  },
  "hsl": {
    "h": 205.241,
    "s": 57.312,
    "l": 50.392
  },
  "oklch": {
    "l": 0.61693,
    "c": 0.12238,
    "h": 243.9
  },
  "luminance": 0.23814
}

Semantic roles & 50–950 ramp

primary

#388CC9

secondary

#CFA98E

accent

#8847E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #388CC9

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

Preview Lab → · Contrast checker → · Palette generator →