#3FBBE3#3FBBE3

#3FBBE3 is a light, vivid cyan. Relative luminance 0.421; OKLCH L 74.1% C 0.120 H 223.8°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#3FBBE3
RGB	rgb(63, 187, 227)
HSL	hsl(195, 75%, 57%)
HSV	hsv(195, 72%, 89%)
CMYK	cmyk(72.2%, 17.6%, 0%, 11%)
CIE-LAB	lab(70.97, -21.04, -29.79)
CIE-LCH	lch(70.97, 36.47, 234.76°)
OKLab	oklab(74.1% -0.0869 -0.0834)
OKLCH	oklch(74.1% 0.12 223.8)
XYZ	xyz(33.6796, 42.1395, 79.0169)
Luminance	0.4214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FBBE3 #E3673F

analogous

#3FE3B9 #3FBBE3 #3F69E3

triadic

#3FBBE3 #E33FBB #BBE33F

tetradic

#3FBBE3 #B93FE3 #E3673F #69E33F

square

#3FBBE3 #B93FE3 #E3673F #69E33F

split-complementary

#3FBBE3 #E33F69 #E3B93F

monochromatic

#157492 #1D9EC8 #3FBBE3 #74CEEB #AAE1F3

Accessibility & contrast

On white

2.23

#3FBBE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#3FBBE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FBBE3

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FBBE3	#FFFFFF	#000000	##000000
##3FBBE3	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B7E5

Deuteranopia (green-blind)

#8EA7E3

Tritanopia (blue-blind)

#00C7C8

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #3fbbe3;
/* rgb */ color: rgb(63, 187, 227);
/* oklch */ color: oklch(74.1% 0.120 223.8);

Tailwind

colors: {
  custom: {
    50: '#89cfec',
    500: '#3fbbe3',
    950: '#000000',
  },
}

SCSS

$custom: #3fbbe3;
$custom-light: #89cfec;
$custom-dark: #000000;

JSON

{
  "hex": "#3fbbe3",
  "rgb": {
    "r": 63,
    "g": 187,
    "b": 227
  },
  "hsl": {
    "h": 194.634,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.74104,
    "c": 0.12042,
    "h": 223.8
  },
  "luminance": 0.42143
}

Semantic roles & 50–950 ramp

primary

#3FBBE3

secondary

#E0AE9D

accent

#6437F1

background

#F9FCFE

surface

#F1F9FD

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #3FBBE3

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

Preview Lab → · Contrast checker → · Palette generator →