#39BBE0#39BBE0

#39BBE0 is a light, vivid cyan. Relative luminance 0.418; OKLCH L 73.8% C 0.121 H 221.4°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#39BBE0
RGB	rgb(57, 187, 224)
HSL	hsl(193, 73%, 55%)
HSV	hsv(193, 75%, 88%)
CMYK	cmyk(74.6%, 16.5%, 0%, 12.2%)
CIE-LAB	lab(70.72, -22.72, -28.54)
CIE-LCH	lch(70.72, 36.48, 231.47°)
OKLab	oklab(73.84% -0.0906 -0.0798)
OKLCH	oklch(73.84% 0.121 221.4)
XYZ	xyz(32.9066, 41.7884, 76.8382)
Luminance	0.4179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39BBE0 #E05E39

analogous

#39E0B1 #39BBE0 #3968E0

triadic

#39BBE0 #E039BB #BBE039

tetradic

#39BBE0 #B139E0 #E05E39 #68E039

square

#39BBE0 #B139E0 #E05E39 #68E039

split-complementary

#39BBE0 #E03968 #E0B139

monochromatic

#157089 #1E9BBE #39BBE0 #6ECDE8 #A3DFF1

Accessibility & contrast

On white

2.24

#39BBE0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#39BBE0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39BBE0

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39BBE0	#FFFFFF	#000000	##000000
##39BBE0	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B6E2

Deuteranopia (green-blind)

#8FA6E0

Tritanopia (blue-blind)

#00C7C7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #39bbe0;
/* rgb */ color: rgb(57, 187, 224);
/* oklch */ color: oklch(73.8% 0.121 221.4);

Tailwind

colors: {
  custom: {
    50: '#87cfe9',
    500: '#39bbe0',
    950: '#000000',
  },
}

SCSS

$custom: #39bbe0;
$custom-light: #87cfe9;
$custom-dark: #000000;

JSON

{
  "hex": "#39bbe0",
  "rgb": {
    "r": 57,
    "g": 187,
    "b": 224
  },
  "hsl": {
    "h": 193.293,
    "s": 72.926,
    "l": 55.098
  },
  "oklch": {
    "l": 0.73836,
    "c": 0.12075,
    "h": 221.4
  },
  "luminance": 0.41792
}

Semantic roles & 50–950 ramp

primary

#39BBE0

secondary

#DDA797

accent

#6138F0

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #39BBE0

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

Preview Lab → · Contrast checker → · Palette generator →