#388BC9#388BC9

#388BC9 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.5% C 0.123 H 244.5°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#388BC9
RGB	rgb(56, 139, 201)
HSL	hsl(206, 57%, 50%)
HSV	hsv(206, 72%, 79%)
CMYK	cmyk(72.1%, 30.8%, 0%, 21.2%)
CIE-LAB	lab(55.60, -4.45, -39.28)
CIE-LCH	lch(55.60, 39.53, 263.53°)
OKLab	oklab(61.46% -0.053 -0.1112)
OKLCH	oklch(61.46% 0.123 244.5)
XYZ	xyz(21.4021, 23.5206, 58.6590)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388BC9 #C97638

analogous

#38C9BE #388BC9 #3843C9

triadic

#388BC9 #C9388B #8BC938

tetradic

#388BC9 #BE38C9 #C97638 #43C938

square

#388BC9 #BE38C9 #C97638 #43C938

split-complementary

#388BC9 #C93843 #C9BE38

monochromatic

#1D496A #2A6A9A #388BC9 #68A7D6 #98C3E3

Accessibility & contrast

On white

3.68

#388BC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#388BC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BC9

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388BC9	#FFFFFF	#000000	##000000
##388BC9	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F8DCC

Deuteranopia (green-blind)

#5B7FC8

Tritanopia (blue-blind)

#009AA1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #388bc9;
/* rgb */ color: rgb(56, 139, 201);
/* oklch */ color: oklch(61.5% 0.123 244.5);

Tailwind

colors: {
  custom: {
    50: '#81acd9',
    500: '#388bc9',
    950: '#000000',
  },
}

SCSS

$custom: #388bc9;
$custom-light: #81acd9;
$custom-dark: #000000;

JSON

{
  "hex": "#388bc9",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 201
  },
  "hsl": {
    "h": 205.655,
    "s": 57.312,
    "l": 50.392
  },
  "oklch": {
    "l": 0.61461,
    "c": 0.12319,
    "h": 244.5
  },
  "luminance": 0.23523
}

Semantic roles & 50–950 ramp

primary

#388BC9

secondary

#CFAA8E

accent

#8947E1

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C1014

muted

#7D7F83

Preview Lab

Preview with #388BC9

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

Preview Lab → · Contrast checker → · Palette generator →