#39B9E6#39B9E6

#39B9E6 is a light, vivid cyan. Relative luminance 0.413; OKLCH L 73.6% C 0.125 H 226.4°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#39B9E6
RGB	rgb(57, 185, 230)
HSL	hsl(196, 78%, 56%)
HSV	hsv(196, 75%, 90%)
CMYK	cmyk(75.2%, 19.6%, 0%, 9.8%)
CIE-LAB	lab(70.37, -19.75, -32.35)
CIE-LCH	lch(70.37, 37.90, 238.59°)
OKLab	oklab(73.63% -0.0865 -0.0908)
OKLCH	oklch(73.63% 0.125 226.4)
XYZ	xyz(33.3134, 41.2770, 81.0591)
Luminance	0.4128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B9E6 #E66639

analogous

#39E6BD #39B9E6 #3963E6

triadic

#39B9E6 #E639B9 #B9E639

tetradic

#39B9E6 #BD39E6 #E66639 #63E639

square

#39B9E6 #BD39E6 #E66639 #63E639

split-complementary

#39B9E6 #E63963 #E6BD39

monochromatic

#127192 #199BC8 #39B9E6 #6FCCED #A6DFF4

Accessibility & contrast

On white

2.27

#39B9E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#39B9E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B9E6

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B9E6	#FFFFFF	#000000	##000000
##39B9E6	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B5E8

Deuteranopia (green-blind)

#8AA5E5

Tritanopia (blue-blind)

#00C6C8

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #39b9e6;
/* rgb */ color: rgb(57, 185, 230);
/* oklch */ color: oklch(73.6% 0.125 226.4);

Tailwind

colors: {
  custom: {
    50: '#88ceee',
    500: '#39b9e6',
    950: '#000000',
  },
}

SCSS

$custom: #39b9e6;
$custom-light: #88ceee;
$custom-dark: #000000;

JSON

{
  "hex": "#39b9e6",
  "rgb": {
    "r": 57,
    "g": 185,
    "b": 230
  },
  "hsl": {
    "h": 195.607,
    "s": 77.578,
    "l": 56.275
  },
  "oklch": {
    "l": 0.73627,
    "c": 0.12537,
    "h": 226.4
  },
  "luminance": 0.41281
}

Semantic roles & 50–950 ramp

primary

#39B9E6

secondary

#E1AC9A

accent

#6634F4

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #39B9E6

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

Preview Lab → · Contrast checker → · Palette generator →