#39B1CC#39B1CC

#39B1CC is a light, moderate cyan. Relative luminance 0.367; OKLCH L 70.6% C 0.110 H 216.2°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#39B1CC
RGB	rgb(57, 177, 204)
HSL	hsl(191, 59%, 51%)
HSV	hsv(191, 72%, 80%)
CMYK	cmyk(72.1%, 13.2%, 0%, 20%)
CIE-LAB	lab(67.03, -23.99, -23.24)
CIE-LCH	lch(67.03, 33.40, 224.09°)
OKLab	oklab(70.62% -0.0886 -0.0648)
OKLCH	oklch(70.62% 0.11 216.2)
XYZ	xyz(28.3040, 36.6705, 62.7014)
Luminance	0.3667 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B1CC #CC5439

analogous

#39CC9D #39B1CC #3967CC

triadic

#39B1CC #CC39B1 #B1CC39

tetradic

#39B1CC #9D39CC #CC5439 #67CC39

square

#39B1CC #9D39CC #CC5439 #67CC39

split-complementary

#39B1CC #CC3967 #CC9D39

monochromatic

#1C5F6E #29899F #39B1CC #6AC4D9 #9AD7E5

Accessibility & contrast

On white

2.52

#39B1CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#39B1CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B1CC

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B1CC	#FFFFFF	#000000	##000000
##39B1CC	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FACCE

Deuteranopia (green-blind)

#8A9DCC

Tritanopia (blue-blind)

#00BBB9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #39b1cc;
/* rgb */ color: rgb(57, 177, 204);
/* oklch */ color: oklch(70.6% 0.110 216.2);

Tailwind

colors: {
  custom: {
    50: '#84c8db',
    500: '#39b1cc',
    950: '#000000',
  },
}

SCSS

$custom: #39b1cc;
$custom-light: #84c8db;
$custom-dark: #000000;

JSON

{
  "hex": "#39b1cc",
  "rgb": {
    "r": 57,
    "g": 177,
    "b": 204
  },
  "hsl": {
    "h": 191.02,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.70622,
    "c": 0.10979,
    "h": 216.2
  },
  "luminance": 0.36674
}

Semantic roles & 50–950 ramp

primary

#39B1CC

secondary

#D19C90

accent

#6246E2

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1315

muted

#7D8283

Preview Lab

Preview with #39B1CC

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

Preview Lab → · Contrast checker → · Palette generator →