#4BD3F9#4BD3F9

#4BD3F9 is a light, vivid cyan. Relative luminance 0.549; OKLCH L 80.9% C 0.126 H 220.3°. Best body text is #000000 at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#4BD3F9
RGB	rgb(75, 211, 249)
HSL	hsl(193, 94%, 64%)
HSV	hsv(193, 70%, 98%)
CMYK	cmyk(69.9%, 15.3%, 0%, 2.4%)
CIE-LAB	lab(78.99, -24.77, -29.27)
CIE-LCH	lch(78.99, 38.34, 229.76°)
OKLab	oklab(80.89% -0.0963 -0.0817)
OKLCH	oklch(80.89% 0.126 220.3)
XYZ	xyz(43.2877, 54.9190, 97.9232)
Luminance	0.5492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4BD3F9 #F9714B

analogous

#4BF9C8 #4BD3F9 #4B7CF9

triadic

#4BD3F9 #F94BD3 #D3F94B

tetradic

#4BD3F9 #C84BF9 #F9714B #7CF94B

square

#4BD3F9 #C84BF9 #F9714B #7CF94B

split-complementary

#4BD3F9 #F94B7C #F9C84B

monochromatic

#079AC3 #10C5F7 #4BD3F9 #86E1FB #C1F0FD

Accessibility & contrast

On white

1.75

#4BD3F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.98

#4BD3F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4BD3F9

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4BD3F9	#FFFFFF	#000000	##000000
##4BD3F9	1.00	1.75	11.98	11.98
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.98	21.00	1.00	1.00
##000000	11.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCEFB

Deuteranopia (green-blind)

#A4BCF9

Tritanopia (blue-blind)

#00DFDF

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #4bd3f9;
/* rgb */ color: rgb(75, 211, 249);
/* oklch */ color: oklch(80.9% 0.126 220.3);

Tailwind

colors: {
  custom: {
    50: '#92e0fb',
    500: '#4bd3f9',
    950: '#000000',
  },
}

SCSS

$custom: #4bd3f9;
$custom-light: #92e0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#4bd3f9",
  "rgb": {
    "r": 75,
    "g": 211,
    "b": 249
  },
  "hsl": {
    "h": 193.103,
    "s": 93.548,
    "l": 63.529
  },
  "oklch": {
    "l": 0.8089,
    "c": 0.12632,
    "h": 220.3
  },
  "luminance": 0.54924
}

Semantic roles & 50–950 ramp

primary

#4BD3F9

secondary

#C04928

accent

#3200E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #4BD3F9

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

Preview Lab → · Contrast checker → · Palette generator →