#39ADD4#39ADD4

#39ADD4 is a light, moderate cyan. Relative luminance 0.355; OKLCH L 70.0% C 0.115 H 224.9°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#39ADD4
RGB	rgb(57, 173, 212)
HSL	hsl(195, 64%, 53%)
HSV	hsv(195, 73%, 83%)
CMYK	cmyk(73.1%, 18.4%, 0%, 16.9%)
CIE-LAB	lab(66.14, -19.36, -29.02)
CIE-LCH	lch(66.14, 34.88, 236.29°)
OKLab	oklab(70.01% -0.0816 -0.0813)
OKLCH	oklch(70.01% 0.115 224.9)
XYZ	xyz(28.5097, 35.5071, 67.6256)
Luminance	0.3551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39ADD4 #D46039

analogous

#39D4AE #39ADD4 #395FD4

triadic

#39ADD4 #D439AD #ADD439

tetradic

#39ADD4 #AE39D4 #D46039 #5FD439

square

#39ADD4 #AE39D4 #D46039 #5FD439

split-complementary

#39ADD4 #D4395F #D4AE39

monochromatic

#1A6178 #2589AB #39ADD4 #6BC2DF #9ED7EA

Accessibility & contrast

On white

2.59

#39ADD4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#39ADD4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39ADD4

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39ADD4	#FFFFFF	#000000	##000000
##39ADD4	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A9D6

Deuteranopia (green-blind)

#829AD4

Tritanopia (blue-blind)

#00B9BA

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #39add4;
/* rgb */ color: rgb(57, 173, 212);
/* oklch */ color: oklch(70.0% 0.115 224.9);

Tailwind

colors: {
  custom: {
    50: '#84c5e1',
    500: '#39add4',
    950: '#000000',
  },
}

SCSS

$custom: #39add4;
$custom-light: #84c5e1;
$custom-dark: #000000;

JSON

{
  "hex": "#39add4",
  "rgb": {
    "r": 57,
    "g": 173,
    "b": 212
  },
  "hsl": {
    "h": 195.097,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70009,
    "c": 0.1152,
    "h": 224.9
  },
  "luminance": 0.3551
}

Semantic roles & 50–950 ramp

primary

#39ADD4

secondary

#D6A493

accent

#6A40E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #39ADD4

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

Preview Lab → · Contrast checker → · Palette generator →