#39BEFF#39BEFF

#39BEFF is a light, vivid cyan. Relative luminance 0.449; OKLCH L 75.9% C 0.145 H 235.2°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX#39BEFF
RGBrgb(57, 190, 255)
HSLhsl(200, 100%, 61%)
HSVhsv(200, 78%, 100%)
CMYKcmyk(77.6%, 25.5%, 0%, 0%)
CIE-LABlab(72.83, -14.10, -42.05)
CIE-LCHlch(72.83, 44.35, 251.46°)
OKLaboklab(75.93% -0.0825 -0.1187)
OKLCHoklch(75.93% 0.145 235.2)
XYZxyz(38.1435, 44.9121, 101.2469)
Luminance0.4492 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39BEFF #FF7A39
analogous
#39FFDD #39BEFF #395BFF
triadic
#39BEFF #FF39BE #BEFF39
tetradic
#39BEFF #DD39FF #FF7A39 #5BFF39
square
#39BEFF #DD39FF #FF7A39 #5BFF39
split-complementary
#39BEFF #FF395B #FFDD39
monochromatic
#007FBE #00A8FB #39BEFF #76D2FF #B3E6FF

Accessibility & contrast

On white

2.10
#39BEFF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.98
#39BEFF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39BEFF
9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39BEFF#FFFFFF#000000##000000
##39BEFF1.002.109.989.98
#FFFFFF2.101.0021.0021.00
#0000009.9821.001.001.00
##0000009.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EBDFF
Deuteranopia (green-blind)
#84ABFE
Tritanopia (blue-blind)
#00CFD4
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #39beff;
/* rgb */ color: rgb(57, 190, 255);
/* oklch */ color: oklch(75.9% 0.145 235.2);
Tailwind
colors: {
  custom: {
    50: '#8cd1ff',
    500: '#39beff',
    950: '#000000',
  },
}
SCSS
$custom: #39beff;
$custom-light: #8cd1ff;
$custom-dark: #000000;
JSON
{
  "hex": "#39beff",
  "rgb": {
    "r": 57,
    "g": 190,
    "b": 255
  },
  "hsl": {
    "h": 199.697,
    "s": 100,
    "l": 61.176
  },
  "oklch": {
    "l": 0.75932,
    "c": 0.14455,
    "h": 235.2
  },
  "luminance": 0.44917
}

Semantic roles & 50–950 ramp

primary
#39BEFF
secondary
#EFBDA5
accent
#4B00E6
background
#F9FCFF
surface
#F2F9FF
border
#CCD2D7
text
#0E1418
muted
#7E8286

Preview Lab

Preview with #39BEFF

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

Preview Lab → · Contrast checker → · Palette generator →

#39BEFF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva