#388FD9#388FD9

#388FD9 is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.139 H 247.9°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#388FD9
RGB	rgb(56, 143, 217)
HSL	hsl(208, 68%, 54%)
HSV	hsv(208, 74%, 85%)
CMYK	cmyk(74.2%, 34.1%, 0%, 14.9%)
CIE-LAB	lab(57.55, -1.13, -45.21)
CIE-LCH	lch(57.55, 45.23, 268.57°)
OKLab	oklab(63.25% -0.0521 -0.1285)
OKLCH	oklch(63.25% 0.139 247.9)
XYZ	xyz(23.9730, 25.4927, 69.2893)
Luminance	0.2550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388FD9 #D98238

analogous

#38D9D3 #388FD9 #383ED9

triadic

#388FD9 #D9388F #8FD938

tetradic

#388FD9 #D338D9 #D98238 #3ED938

square

#388FD9 #D338D9 #D98238 #3ED938

split-complementary

#388FD9 #D9383E #D9D338

monochromatic

#184F7E #2270B2 #388FD9 #6BACE3 #9FC9ED

Accessibility & contrast

On white

3.44

#388FD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#388FD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388FD9

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388FD9	#FFFFFF	#000000	##000000
##388FD9	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D92DC

Deuteranopia (green-blind)

#5683D8

Tritanopia (blue-blind)

#00A1AA

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #388fd9;
/* rgb */ color: rgb(56, 143, 217);
/* oklch */ color: oklch(63.3% 0.139 247.9);

Tailwind

colors: {
  custom: {
    50: '#83afe5',
    500: '#388fd9',
    950: '#000000',
  },
}

SCSS

$custom: #388fd9;
$custom-light: #83afe5;
$custom-dark: #000000;

JSON

{
  "hex": "#388fd9",
  "rgb": {
    "r": 56,
    "g": 143,
    "b": 217
  },
  "hsl": {
    "h": 207.578,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.63252,
    "c": 0.13865,
    "h": 247.9
  },
  "luminance": 0.25495
}

Semantic roles & 50–950 ramp

primary

#388FD9

secondary

#D9B494

accent

#8D3DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #388FD9

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

Preview Lab → · Contrast checker → · Palette generator →