#39B9D4#39B9D4

#39B9D4 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 72.9% C 0.114 H 215.2°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#39B9D4
RGB	rgb(57, 185, 212)
HSL	hsl(190, 64%, 53%)
HSV	hsv(190, 73%, 83%)
CMYK	cmyk(73.1%, 12.7%, 0%, 16.9%)
CIE-LAB	lab(69.70, -25.52, -23.56)
CIE-LCH	lch(69.70, 34.73, 222.72°)
OKLab	oklab(72.86% -0.0933 -0.0657)
OKLCH	oklch(72.86% 0.114 215.2)
XYZ	xyz(30.9149, 40.3176, 68.4273)
Luminance	0.4032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B9D4 #D45439

analogous

#39D4A2 #39B9D4 #396BD4

triadic

#39B9D4 #D439B9 #B9D439

tetradic

#39B9D4 #A239D4 #D45439 #6BD439

square

#39B9D4 #A239D4 #D45439 #6BD439

split-complementary

#39B9D4 #D4396B #D4A239

monochromatic

#1A6878 #2593AB #39B9D4 #6BCBDF #9EDDEA

Accessibility & contrast

On white

2.32

#39B9D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#39B9D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B9D4

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B9D4	#FFFFFF	#000000	##000000
##39B9D4	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6B3D6

Deuteranopia (green-blind)

#91A4D4

Tritanopia (blue-blind)

#00C3C1

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #39b9d4;
/* rgb */ color: rgb(57, 185, 212);
/* oklch */ color: oklch(72.9% 0.114 215.2);

Tailwind

colors: {
  custom: {
    50: '#85cee1',
    500: '#39b9d4',
    950: '#000000',
  },
}

SCSS

$custom: #39b9d4;
$custom-light: #85cee1;
$custom-dark: #000000;

JSON

{
  "hex": "#39b9d4",
  "rgb": {
    "r": 57,
    "g": 185,
    "b": 212
  },
  "hsl": {
    "h": 190.452,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.72862,
    "c": 0.1141,
    "h": 215.2
  },
  "luminance": 0.40321
}

Semantic roles & 50–950 ramp

primary

#39B9D4

secondary

#D69F93

accent

#5E40E7

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #39B9D4

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

Preview Lab → · Contrast checker → · Palette generator →