#39B8E6#39B8E6

#39B8E6 is a light, vivid cyan. Relative luminance 0.409; OKLCH L 73.4% C 0.126 H 227.1°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#39B8E6
RGB	rgb(57, 184, 230)
HSL	hsl(196, 78%, 56%)
HSV	hsv(196, 75%, 90%)
CMYK	cmyk(75.2%, 20%, 0%, 9.8%)
CIE-LAB	lab(70.08, -19.23, -32.80)
CIE-LCH	lch(70.08, 38.02, 239.62°)
OKLab	oklab(73.39% -0.0855 -0.0921)
OKLCH	oklch(73.39% 0.126 227.1)
XYZ	xyz(33.1049, 40.8600, 80.9896)
Luminance	0.4086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39B8E6 #E66739

analogous

#39E6BE #39B8E6 #3962E6

triadic

#39B8E6 #E639B8 #B8E639

tetradic

#39B8E6 #BE39E6 #E66739 #62E639

square

#39B8E6 #BE39E6 #E66739 #62E639

split-complementary

#39B8E6 #E63962 #E6BE39

monochromatic

#127092 #199AC8 #39B8E6 #6FCBED #A6DFF4

Accessibility & contrast

On white

2.29

#39B8E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.17

#39B8E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B8E6

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39B8E6	#FFFFFF	#000000	##000000
##39B8E6	1.00	2.29	9.17	9.17
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.17	21.00	1.00	1.00
##000000	9.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB5E8

Deuteranopia (green-blind)

#88A4E5

Tritanopia (blue-blind)

#00C5C7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #39b8e6;
/* rgb */ color: rgb(57, 184, 230);
/* oklch */ color: oklch(73.4% 0.126 227.1);

Tailwind

colors: {
  custom: {
    50: '#88cdee',
    500: '#39b8e6',
    950: '#000000',
  },
}

SCSS

$custom: #39b8e6;
$custom-light: #88cdee;
$custom-dark: #000000;

JSON

{
  "hex": "#39b8e6",
  "rgb": {
    "r": 57,
    "g": 184,
    "b": 230
  },
  "hsl": {
    "h": 195.954,
    "s": 77.578,
    "l": 56.275
  },
  "oklch": {
    "l": 0.73393,
    "c": 0.12568,
    "h": 227.1
  },
  "luminance": 0.40864
}

Semantic roles & 50–950 ramp

primary

#39B8E6

secondary

#E1AD9A

accent

#6734F4

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #39B8E6

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

Preview Lab → · Contrast checker → · Palette generator →