#4DC3F0#4DC3F0

#4DC3F0 is a light, vivid cyan. Relative luminance 0.469; OKLCH L 76.9% C 0.122 H 227.1°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#4DC3F0
RGB	rgb(77, 195, 240)
HSL	hsl(197, 84%, 62%)
HSV	hsv(197, 68%, 94%)
CMYK	cmyk(67.9%, 18.8%, 0%, 5.9%)
CIE-LAB	lab(74.12, -19.16, -31.93)
CIE-LCH	lch(74.12, 37.24, 239.04°)
OKLab	oklab(76.89% -0.0831 -0.0894)
OKLCH	oklch(76.89% 0.122 227.1)
XYZ	xyz(38.2975, 46.8950, 89.4545)
Luminance	0.4690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC3F0 #F07A4D

analogous

#4DF0CB #4DC3F0 #4D72F0

triadic

#4DC3F0 #F04DC3 #C3F04D

tetradic

#4DC3F0 #CB4DF0 #F07A4D #72F04D

square

#4DC3F0 #CB4DF0 #F07A4D #72F04D

split-complementary

#4DC3F0 #F04D72 #F0CB4D

monochromatic

#0F86B3 #15B0EB #4DC3F0 #85D6F5 #BEE9FA

Accessibility & contrast

On white

2.02

#4DC3F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.38

#4DC3F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC3F0

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC3F0	#FFFFFF	#000000	##000000
##4DC3F0	1.00	2.02	10.38	10.38
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.38	21.00	1.00	1.00
##000000	10.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBFF2

Deuteranopia (green-blind)

#94AFEF

Tritanopia (blue-blind)

#00D0D2

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #4dc3f0;
/* rgb */ color: rgb(77, 195, 240);
/* oklch */ color: oklch(76.9% 0.122 227.1);

Tailwind

colors: {
  custom: {
    50: '#91d5f5',
    500: '#4dc3f0',
    950: '#000000',
  },
}

SCSS

$custom: #4dc3f0;
$custom-light: #91d5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc3f0",
  "rgb": {
    "r": 77,
    "g": 195,
    "b": 240
  },
  "hsl": {
    "h": 196.564,
    "s": 84.456,
    "l": 62.157
  },
  "oklch": {
    "l": 0.76892,
    "c": 0.12206,
    "h": 227.1
  },
  "luminance": 0.46899
}

Semantic roles & 50–950 ramp

primary

#4DC3F0

secondary

#EABFAE

accent

#4105E1

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4DC3F0

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

Preview Lab → · Contrast checker → · Palette generator →