#3FBBE2#3FBBE2

#3FBBE2 is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.1% C 0.120 H 223.2°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX#3FBBE2
RGBrgb(63, 187, 226)
HSLhsl(194, 74%, 57%)
HSVhsv(194, 72%, 89%)
CMYKcmyk(72.1%, 17.3%, 0%, 11.4%)
CIE-LABlab(70.93, -21.36, -29.30)
CIE-LCHlch(70.93, 36.26, 233.91°)
OKLaboklab(74.06% -0.0873 -0.082)
OKLCHoklch(74.06% 0.12 223.2)
XYZxyz(33.5420, 42.0845, 78.2921)
Luminance0.4209 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FBBE2 #E2663F
analogous
#3FE2B8 #3FBBE2 #3F6AE2
triadic
#3FBBE2 #E23FBB #BBE23F
tetradic
#3FBBE2 #B83FE2 #E2663F #6AE23F
square
#3FBBE2 #B83FE2 #E2663F #6AE23F
split-complementary
#3FBBE2 #E23F6A #E2B83F
monochromatic
#167391 #1E9EC6 #3FBBE2 #74CEEA #A9E1F2

Accessibility & contrast

On white

2.23
#3FBBE2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.42
#3FBBE2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBBE2
9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FBBE2#FFFFFF#000000##000000
##3FBBE21.002.239.429.42
#FFFFFF2.231.0021.0021.00
#0000009.4221.001.001.00
##0000009.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B7E4
Deuteranopia (green-blind)
#8EA7E2
Tritanopia (blue-blind)
#00C7C8
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #3fbbe2;
/* rgb */ color: rgb(63, 187, 226);
/* oklch */ color: oklch(74.1% 0.120 223.2);
Tailwind
colors: {
  custom: {
    50: '#89cfeb',
    500: '#3fbbe2',
    950: '#000000',
  },
}
SCSS
$custom: #3fbbe2;
$custom-light: #89cfeb;
$custom-dark: #000000;
JSON
{
  "hex": "#3fbbe2",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 226
  },
  "hsl": {
    "h": 194.356,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.74061,
    "c": 0.11973,
    "h": 223.2
  },
  "luminance": 0.42088
}

Semantic roles & 50–950 ramp

primary
#3FBBE2
secondary
#E0AD9D
accent
#6437F0
background
#F9FCFE
surface
#F1F9FD
border
#CBD2D5
text
#0D1416
muted
#7E8284

Preview Lab

Preview with #3FBBE2

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

Preview Lab → · Contrast checker → · Palette generator →

#3FBBE2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva