#388BD9#388BD9

#388BD9 is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.3% C 0.142 H 250.1°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#388BD9
RGB	rgb(56, 139, 217)
HSL	hsl(209, 68%, 54%)
HSV	hsv(209, 74%, 85%)
CMYK	cmyk(74.2%, 35.9%, 0%, 14.9%)
CIE-LAB	lab(56.40, 1.23, -47.04)
CIE-LCH	lch(56.40, 47.05, 271.50°)
OKLab	oklab(62.35% -0.0485 -0.1339)
OKLCH	oklch(62.35% 0.142 250.1)
XYZ	xyz(23.3832, 24.3131, 69.0927)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388BD9 #D98638

analogous

#38D9D6 #388BD9 #383AD9

triadic

#388BD9 #D9388B #8BD938

tetradic

#388BD9 #D638D9 #D98638 #3AD938

square

#388BD9 #D638D9 #D98638 #3AD938

split-complementary

#388BD9 #D9383A #D9D638

monochromatic

#184D7E #226CB2 #388BD9 #6BA9E3 #9FC7ED

Accessibility & contrast

On white

3.58

#388BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#388BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BD9

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388BD9	#FFFFFF	#000000	##000000
##388BD9	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678FDC

Deuteranopia (green-blind)

#4F80D7

Tritanopia (blue-blind)

#009EA8

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #388bd9;
/* rgb */ color: rgb(56, 139, 217);
/* oklch */ color: oklch(62.3% 0.142 250.1);

Tailwind

colors: {
  custom: {
    50: '#83ace5',
    500: '#388bd9',
    950: '#000000',
  },
}

SCSS

$custom: #388bd9;
$custom-light: #83ace5;
$custom-dark: #000000;

JSON

{
  "hex": "#388bd9",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 217
  },
  "hsl": {
    "h": 209.068,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.62347,
    "c": 0.14238,
    "h": 250.1
  },
  "luminance": 0.24316
}

Semantic roles & 50–950 ramp

primary

#388BD9

secondary

#D9B594

accent

#913DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #388BD9

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

Preview Lab → · Contrast checker → · Palette generator →