#39C0E9#39C0E9

#39C0E9 is a light, vivid cyan. Relative luminance 0.445; OKLCH L 75.4% C 0.126 H 223.0°. Best body text is #000000 at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#39C0E9
RGB	rgb(57, 192, 233)
HSL	hsl(194, 80%, 57%)
HSV	hsv(194, 76%, 91%)
CMYK	cmyk(75.5%, 17.6%, 0%, 8.6%)
CIE-LAB	lab(72.53, -22.39, -30.65)
CIE-LCH	lch(72.53, 37.95, 233.86°)
OKLab	oklab(75.39% -0.0919 -0.0858)
OKLCH	oklch(75.39% 0.126 223)
XYZ	xyz(35.2388, 44.4481, 83.7971)
Luminance	0.4445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39C0E9 #E96239

analogous

#39E9BA #39C0E9 #3968E9

triadic

#39C0E9 #E939C0 #C0E939

tetradic

#39C0E9 #BA39E9 #E96239 #68E939

square

#39C0E9 #BA39E9 #E96239 #68E939

split-complementary

#39C0E9 #E93968 #E9BA39

monochromatic

#117897 #17A3CE #39C0E9 #70D2EF #A7E3F5

Accessibility & contrast

On white

2.12

#39C0E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.89

#39C0E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39C0E9

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39C0E9	#FFFFFF	#000000	##000000
##39C0E9	1.00	2.12	9.89	9.89
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.89	21.00	1.00	1.00
##000000	9.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BCEB

Deuteranopia (green-blind)

#91AAE9

Tritanopia (blue-blind)

#00CDCD

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #39c0e9;
/* rgb */ color: rgb(57, 192, 233);
/* oklch */ color: oklch(75.4% 0.126 223.0);

Tailwind

colors: {
  custom: {
    50: '#89d3f0',
    500: '#39c0e9',
    950: '#000000',
  },
}

SCSS

$custom: #39c0e9;
$custom-light: #89d3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#39c0e9",
  "rgb": {
    "r": 57,
    "g": 192,
    "b": 233
  },
  "hsl": {
    "h": 193.977,
    "s": 80,
    "l": 56.863
  },
  "oklch": {
    "l": 0.75394,
    "c": 0.12579,
    "h": 223
  },
  "luminance": 0.44452
}

Semantic roles & 50–950 ramp

primary

#39C0E9

secondary

#E3AC9B

accent

#5F31F6

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #39C0E9

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

Preview Lab → · Contrast checker → · Palette generator →