#39B1D4#39B1D4

#39B1D4 is a light, moderate cyan. Relative luminance 0.371; OKLCH L 71.0% C 0.114 H 221.6°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#39B1D4
RGB	rgb(57, 177, 212)
HSL	hsl(194, 64%, 53%)
HSV	hsv(194, 73%, 83%)
CMYK	cmyk(73.1%, 16.5%, 0%, 16.9%)
CIE-LAB	lab(67.33, -21.44, -27.19)
CIE-LCH	lch(67.33, 34.63, 231.74°)
OKLab	oklab(70.96% -0.0855 -0.0761)
OKLCH	oklch(70.96% 0.114 221.6)
XYZ	xyz(29.2882, 37.0642, 67.8851)
Luminance	0.3707 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B1D4 #D45C39

analogous

#39D4A9 #39B1D4 #3964D4

triadic

#39B1D4 #D439B1 #B1D439

tetradic

#39B1D4 #A939D4 #D45C39 #64D439

square

#39B1D4 #A939D4 #D45C39 #64D439

split-complementary

#39B1D4 #D43964 #D4A939

monochromatic

#1A6378 #258DAB #39B1D4 #6BC5DF #9ED9EA

Accessibility & contrast

On white

2.50

#39B1D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#39B1D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B1D4

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B1D4	#FFFFFF	#000000	##000000
##39B1D4	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)

#9CADD6

Deuteranopia (green-blind)

#879DD4

Tritanopia (blue-blind)

#00BCBC

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #39b1d4;
/* rgb */ color: rgb(57, 177, 212);
/* oklch */ color: oklch(71.0% 0.114 221.6);

Tailwind

colors: {
  custom: {
    50: '#85c8e1',
    500: '#39b1d4',
    950: '#000000',
  },
}

SCSS

$custom: #39b1d4;
$custom-light: #85c8e1;
$custom-dark: #000000;

JSON

{
  "hex": "#39b1d4",
  "rgb": {
    "r": 57,
    "g": 177,
    "b": 212
  },
  "hsl": {
    "h": 193.548,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70957,
    "c": 0.11444,
    "h": 221.6
  },
  "luminance": 0.37068
}

Semantic roles & 50–950 ramp

primary

#39B1D4

secondary

#D6A293

accent

#6640E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #39B1D4

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

Preview Lab → · Contrast checker → · Palette generator →