#4DC3F3#4DC3F3

#4DC3F3 is a light, vivid cyan. Relative luminance 0.471; OKLCH L 77.0% C 0.124 H 228.7°. Best body text is #000000 at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#4DC3F3
RGB	rgb(77, 195, 243)
HSL	hsl(197, 87%, 63%)
HSV	hsv(197, 68%, 95%)
CMYK	cmyk(68.3%, 19.8%, 0%, 4.7%)
CIE-LAB	lab(74.24, -18.22, -33.37)
CIE-LCH	lch(74.24, 38.02, 241.37°)
OKLab	oklab(77.02% -0.0821 -0.0935)
OKLCH	oklch(77.02% 0.124 228.7)
XYZ	xyz(38.7468, 47.0748, 91.8209)
Luminance	0.4708 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC3F3 #F37D4D

analogous

#4DF3D0 #4DC3F3 #4D70F3

triadic

#4DC3F3 #F34DC3 #C3F34D

tetradic

#4DC3F3 #D04DF3 #F37D4D #70F34D

square

#4DC3F3 #D04DF3 #F37D4D #70F34D

split-complementary

#4DC3F3 #F34D70 #F3D04D

monochromatic

#0C87B9 #14B0EF #4DC3F3 #86D6F7 #C0EAFB

Accessibility & contrast

On white

2.02

#4DC3F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.42

#4DC3F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC3F3

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC3F3	#FFFFFF	#000000	##000000
##4DC3F3	1.00	2.02	10.42	10.42
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.42	21.00	1.00	1.00
##000000	10.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAC0F5

Deuteranopia (green-blind)

#93AFF2

Tritanopia (blue-blind)

#00D1D3

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #4dc3f3;
/* rgb */ color: rgb(77, 195, 243);
/* oklch */ color: oklch(77.0% 0.124 228.7);

Tailwind

colors: {
  custom: {
    50: '#91d5f7',
    500: '#4dc3f3',
    950: '#000000',
  },
}

SCSS

$custom: #4dc3f3;
$custom-light: #91d5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc3f3",
  "rgb": {
    "r": 77,
    "g": 195,
    "b": 243
  },
  "hsl": {
    "h": 197.349,
    "s": 87.368,
    "l": 62.745
  },
  "oklch": {
    "l": 0.77022,
    "c": 0.12441,
    "h": 228.7
  },
  "luminance": 0.47079
}

Semantic roles & 50–950 ramp

primary

#4DC3F3

secondary

#ECC1B0

accent

#4302E4

background

#F9FDFF

surface

#F2FAFE

border

#CCD3D6

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4DC3F3

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

Preview Lab → · Contrast checker → · Palette generator →