#39B3CD#39B3CD

#39B3CD is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.1% C 0.110 H 215.2°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#39B3CD
RGB	rgb(57, 179, 205)
HSL	hsl(191, 60%, 51%)
HSV	hsv(191, 72%, 80%)
CMYK	cmyk(72.2%, 12.7%, 0%, 19.6%)
CIE-LAB	lab(67.66, -24.69, -22.82)
CIE-LCH	lch(67.66, 33.62, 222.75°)
OKLab	oklab(71.14% -0.0902 -0.0636)
OKLCH	oklch(71.14% 0.11 215.2)
XYZ	xyz(28.8222, 37.5145, 63.4678)
Luminance	0.3752 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B3CD #CD5339

analogous

#39CD9D #39B3CD #3969CD

triadic

#39B3CD #CD39B3 #B3CD39

tetradic

#39B3CD #9D39CD #CD5339 #69CD39

square

#39B3CD #9D39CD #CD5339 #69CD39

split-complementary

#39B3CD #CD3969 #CD9D39

monochromatic

#1C616F #288BA0 #39B3CD #6AC6D9 #9BD9E6

Accessibility & contrast

On white

2.47

#39B3CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.50

#39B3CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B3CD

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B3CD	#FFFFFF	#000000	##000000
##39B3CD	1.00	2.47	8.50	8.50
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.50	21.00	1.00	1.00
##000000	8.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1ADCE

Deuteranopia (green-blind)

#8C9ECD

Tritanopia (blue-blind)

#00BDBB

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #39b3cd;
/* rgb */ color: rgb(57, 179, 205);
/* oklch */ color: oklch(71.1% 0.110 215.2);

Tailwind

colors: {
  custom: {
    50: '#84cadc',
    500: '#39b3cd',
    950: '#000000',
  },
}

SCSS

$custom: #39b3cd;
$custom-light: #84cadc;
$custom-dark: #000000;

JSON

{
  "hex": "#39b3cd",
  "rgb": {
    "r": 57,
    "g": 179,
    "b": 205
  },
  "hsl": {
    "h": 190.541,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.71142,
    "c": 0.11038,
    "h": 215.2
  },
  "luminance": 0.37518
}

Semantic roles & 50–950 ramp

primary

#39B3CD

secondary

#D29C90

accent

#6145E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #39B3CD

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

Preview Lab → · Contrast checker → · Palette generator →