#39BBDF#39BBDF

#39BBDF is a light, vivid cyan. Relative luminance 0.417; OKLCH L 73.8% C 0.120 H 220.8°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#39BBDF
RGB	rgb(57, 187, 223)
HSL	hsl(193, 72%, 55%)
HSV	hsv(193, 74%, 87%)
CMYK	cmyk(74.4%, 16.1%, 0%, 12.5%)
CIE-LAB	lab(70.69, -23.04, -28.05)
CIE-LCH	lch(70.69, 36.30, 230.59°)
OKLab	oklab(73.79% -0.091 -0.0785)
OKLCH	oklch(73.79% 0.12 220.8)
XYZ	xyz(32.7714, 41.7343, 76.1261)
Luminance	0.4174 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39BBDF #DF5D39

analogous

#39DFB0 #39BBDF #3968DF

triadic

#39BBDF #DF39BB #BBDF39

tetradic

#39BBDF #B039DF #DF5D39 #68DF39

square

#39BBDF #B039DF #DF5D39 #68DF39

split-complementary

#39BBDF #DF3968 #DFB039

monochromatic

#166F88 #1E9ABC #39BBDF #6ECDE8 #A2DFF0

Accessibility & contrast

On white

2.25

#39BBDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#39BBDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39BBDF

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39BBDF	#FFFFFF	#000000	##000000
##39BBDF	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B6E1

Deuteranopia (green-blind)

#8FA6DF

Tritanopia (blue-blind)

#00C7C7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #39bbdf;
/* rgb */ color: rgb(57, 187, 223);
/* oklch */ color: oklch(73.8% 0.120 220.8);

Tailwind

colors: {
  custom: {
    50: '#87cfe9',
    500: '#39bbdf',
    950: '#000000',
  },
}

SCSS

$custom: #39bbdf;
$custom-light: #87cfe9;
$custom-dark: #000000;

JSON

{
  "hex": "#39bbdf",
  "rgb": {
    "r": 57,
    "g": 187,
    "b": 223
  },
  "hsl": {
    "h": 193.012,
    "s": 72.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.73793,
    "c": 0.12012,
    "h": 220.8
  },
  "luminance": 0.41738
}

Semantic roles & 50–950 ramp

primary

#39BBDF

secondary

#DDA697

accent

#6039EF

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #39BBDF

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

Preview Lab → · Contrast checker → · Palette generator →