#39B3D4#39B3D4

#39B3D4 is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.4% C 0.114 H 220.0°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#39B3D4
RGB	rgb(57, 179, 212)
HSL	hsl(193, 64%, 53%)
HSV	hsv(193, 73%, 83%)
CMYK	cmyk(73.1%, 15.6%, 0%, 16.9%)
CIE-LAB	lab(67.92, -22.47, -26.28)
CIE-LCH	lch(67.92, 34.58, 229.47°)
OKLab	oklab(71.43% -0.0875 -0.0734)
OKLCH	oklch(71.43% 0.114 220)
XYZ	xyz(29.6861, 37.8600, 68.0177)
Luminance	0.3786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B3D4 #D45A39

analogous

#39D4A7 #39B3D4 #3966D4

triadic

#39B3D4 #D439B3 #B3D439

tetradic

#39B3D4 #A739D4 #D45A39 #66D439

square

#39B3D4 #A739D4 #D45A39 #66D439

split-complementary

#39B3D4 #D43966 #D4A739

monochromatic

#1A6478 #258EAB #39B3D4 #6BC6DF #9EDAEA

Accessibility & contrast

On white

2.45

#39B3D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#39B3D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B3D4

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B3D4	#FFFFFF	#000000	##000000
##39B3D4	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FAED6

Deuteranopia (green-blind)

#8A9FD4

Tritanopia (blue-blind)

#00BEBE

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #39b3d4;
/* rgb */ color: rgb(57, 179, 212);
/* oklch */ color: oklch(71.4% 0.114 220.0);

Tailwind

colors: {
  custom: {
    50: '#85cae1',
    500: '#39b3d4',
    950: '#000000',
  },
}

SCSS

$custom: #39b3d4;
$custom-light: #85cae1;
$custom-dark: #000000;

JSON

{
  "hex": "#39b3d4",
  "rgb": {
    "r": 57,
    "g": 179,
    "b": 212
  },
  "hsl": {
    "h": 192.774,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.71433,
    "c": 0.11421,
    "h": 220
  },
  "luminance": 0.37864
}

Semantic roles & 50–950 ramp

primary

#39B3D4

secondary

#D6A193

accent

#6440E7

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #39B3D4

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

Preview Lab → · Contrast checker → · Palette generator →