#39C1E9#39C1E9

#39C1E9 is a light, vivid cyan. Relative luminance 0.449; OKLCH L 75.6% C 0.126 H 222.3°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#39C1E9
RGB	rgb(57, 193, 233)
HSL	hsl(194, 80%, 57%)
HSV	hsv(194, 76%, 91%)
CMYK	cmyk(75.5%, 17.2%, 0%, 8.6%)
CIE-LAB	lab(72.82, -22.90, -30.20)
CIE-LCH	lch(72.82, 37.90, 232.83°)
OKLab	oklab(75.63% -0.0929 -0.0846)
OKLCH	oklch(75.63% 0.126 222.3)
XYZ	xyz(35.4592, 44.8887, 83.8705)
Luminance	0.4489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39C1E9 #E96139

analogous

#39E9B9 #39C1E9 #3969E9

triadic

#39C1E9 #E939C1 #C1E939

tetradic

#39C1E9 #B939E9 #E96139 #69E939

square

#39C1E9 #B939E9 #E96139 #69E939

split-complementary

#39C1E9 #E93969 #E9B939

monochromatic

#117897 #17A4CE #39C1E9 #70D2EF #A7E3F5

Accessibility & contrast

On white

2.10

#39C1E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#39C1E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39C1E9

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39C1E9	#FFFFFF	#000000	##000000
##39C1E9	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AABCEB

Deuteranopia (green-blind)

#92ABE9

Tritanopia (blue-blind)

#00CDCE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #39c1e9;
/* rgb */ color: rgb(57, 193, 233);
/* oklch */ color: oklch(75.6% 0.126 222.3);

Tailwind

colors: {
  custom: {
    50: '#89d4f0',
    500: '#39c1e9',
    950: '#000000',
  },
}

SCSS

$custom: #39c1e9;
$custom-light: #89d4f0;
$custom-dark: #000000;

JSON

{
  "hex": "#39c1e9",
  "rgb": {
    "r": 57,
    "g": 193,
    "b": 233
  },
  "hsl": {
    "h": 193.636,
    "s": 80,
    "l": 56.863
  },
  "oklch": {
    "l": 0.75628,
    "c": 0.12561,
    "h": 222.3
  },
  "luminance": 0.44893
}

Semantic roles & 50–950 ramp

primary

#39C1E9

secondary

#E3AB9B

accent

#5E31F6

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #39C1E9

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

Preview Lab → · Contrast checker → · Palette generator →