#39B0DB#39B0DB

#39B0DB is a light, moderate cyan. Relative luminance 0.370; OKLCH L 71.0% C 0.120 H 226.8°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#39B0DB
RGB	rgb(57, 176, 219)
HSL	hsl(196, 69%, 54%)
HSV	hsv(196, 74%, 86%)
CMYK	cmyk(74%, 19.6%, 0%, 14.1%)
CIE-LAB	lab(67.30, -18.65, -31.08)
CIE-LCH	lch(67.30, 36.24, 239.04°)
OKLab	oklab(71.03% -0.082 -0.0872)
OKLCH	oklch(71.03% 0.12 226.8)
XYZ	xyz(29.9936, 37.0315, 72.5711)
Luminance	0.3704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B0DB #DB6439

analogous

#39DBB5 #39B0DB #395FDB

triadic

#39B0DB #DB39B0 #B0DB39

tetradic

#39B0DB #B539DB #DB6439 #5FDB39

square

#39B0DB #B539DB #DB6439 #5FDB39

split-complementary

#39B0DB #DB395F #DBB539

monochromatic

#186682 #218EB6 #39B0DB #6DC5E4 #A1D9EE

Accessibility & contrast

On white

2.50

#39B0DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#39B0DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B0DB

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B0DB	#FFFFFF	#000000	##000000
##39B0DB	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99ADDD

Deuteranopia (green-blind)

#839DDA

Tritanopia (blue-blind)

#00BCBE

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #39b0db;
/* rgb */ color: rgb(57, 176, 219);
/* oklch */ color: oklch(71.0% 0.120 226.8);

Tailwind

colors: {
  custom: {
    50: '#85c7e6',
    500: '#39b0db',
    950: '#000000',
  },
}

SCSS

$custom: #39b0db;
$custom-light: #85c7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#39b0db",
  "rgb": {
    "r": 57,
    "g": 176,
    "b": 219
  },
  "hsl": {
    "h": 195.926,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.71027,
    "c": 0.11966,
    "h": 226.8
  },
  "luminance": 0.37035
}

Semantic roles & 50–950 ramp

primary

#39B0DB

secondary

#DAA895

accent

#6B3CEC

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #39B0DB

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

Preview Lab → · Contrast checker → · Palette generator →