#4DC1F3#4DC1F3

#4DC1F3 is a light, vivid cyan. Relative luminance 0.462; OKLCH L 76.6% C 0.125 H 230.2°. Best body text is #000000 at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#4DC1F3
RGB	rgb(77, 193, 243)
HSL	hsl(198, 87%, 63%)
HSV	hsv(198, 68%, 95%)
CMYK	cmyk(68.3%, 20.6%, 0%, 4.7%)
CIE-LAB	lab(73.67, -17.17, -34.26)
CIE-LCH	lch(73.67, 38.32, 243.38°)
OKLab	oklab(76.57% -0.0801 -0.0961)
OKLCH	oklch(76.57% 0.125 230.2)
XYZ	xyz(38.3017, 46.1845, 91.6726)
Luminance	0.4619 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC1F3 #F37F4D

analogous

#4DF3D2 #4DC1F3 #4D6EF3

triadic

#4DC1F3 #F34DC1 #C1F34D

tetradic

#4DC1F3 #D24DF3 #F37F4D #6EF34D

square

#4DC1F3 #D24DF3 #F37F4D #6EF34D

split-complementary

#4DC1F3 #F34D6E #F3D24D

monochromatic

#0C85B9 #14ADEF #4DC1F3 #86D5F7 #C0E9FB

Accessibility & contrast

On white

2.05

#4DC1F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.24

#4DC1F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC1F3

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC1F3	#FFFFFF	#000000	##000000
##4DC1F3	1.00	2.05	10.24	10.24
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.24	21.00	1.00	1.00
##000000	10.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BEF5

Deuteranopia (green-blind)

#91AEF2

Tritanopia (blue-blind)

#00CFD2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #4dc1f3;
/* rgb */ color: rgb(77, 193, 243);
/* oklch */ color: oklch(76.6% 0.125 230.2);

Tailwind

colors: {
  custom: {
    50: '#91d3f7',
    500: '#4dc1f3',
    950: '#000000',
  },
}

SCSS

$custom: #4dc1f3;
$custom-light: #91d3f7;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc1f3",
  "rgb": {
    "r": 77,
    "g": 193,
    "b": 243
  },
  "hsl": {
    "h": 198.072,
    "s": 87.368,
    "l": 62.745
  },
  "oklch": {
    "l": 0.76565,
    "c": 0.12509,
    "h": 230.2
  },
  "luminance": 0.46189
}

Semantic roles & 50–950 ramp

primary

#4DC1F3

secondary

#ECC2B0

accent

#4602E4

background

#F9FCFF

surface

#F2F9FE

border

#CCD2D6

text

#0E1417

muted

#7E8285

Preview Lab

Preview with #4DC1F3

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

Preview Lab → · Contrast checker → · Palette generator →