#4DC9F0#4DC9F0

#4DC9F0 is a light, vivid cyan. Relative luminance 0.496; OKLCH L 78.3% C 0.121 H 222.6°. Best body text is #000000 at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#4DC9F0
RGB	rgb(77, 201, 240)
HSL	hsl(194, 84%, 62%)
HSV	hsv(194, 68%, 94%)
CMYK	cmyk(67.9%, 16.3%, 0%, 5.9%)
CIE-LAB	lab(75.85, -22.23, -29.28)
CIE-LCH	lch(75.85, 36.76, 232.79°)
OKLab	oklab(78.27% -0.089 -0.0818)
OKLCH	oklch(78.27% 0.121 222.6)
XYZ	xyz(39.6690, 49.6379, 89.9116)
Luminance	0.4964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC9F0 #F0744D

analogous

#4DF0C6 #4DC9F0 #4D78F0

triadic

#4DC9F0 #F04DC9 #C9F04D

tetradic

#4DC9F0 #C64DF0 #F0744D #78F04D

square

#4DC9F0 #C64DF0 #F0744D #78F04D

split-complementary

#4DC9F0 #F04D78 #F0C64D

monochromatic

#0F8CB3 #15B8EB #4DC9F0 #85DAF5 #BEEBFA

Accessibility & contrast

On white

1.92

#4DC9F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.93

#4DC9F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC9F0

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC9F0	#FFFFFF	#000000	##000000
##4DC9F0	1.00	1.92	10.93	10.93
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.93	21.00	1.00	1.00
##000000	10.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C4F2

Deuteranopia (green-blind)

#9CB4F0

Tritanopia (blue-blind)

#00D5D6

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #4dc9f0;
/* rgb */ color: rgb(77, 201, 240);
/* oklch */ color: oklch(78.3% 0.121 222.6);

Tailwind

colors: {
  custom: {
    50: '#91d9f5',
    500: '#4dc9f0',
    950: '#000000',
  },
}

SCSS

$custom: #4dc9f0;
$custom-light: #91d9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc9f0",
  "rgb": {
    "r": 77,
    "g": 201,
    "b": 240
  },
  "hsl": {
    "h": 194.356,
    "s": 84.456,
    "l": 62.157
  },
  "oklch": {
    "l": 0.78271,
    "c": 0.12087,
    "h": 222.6
  },
  "luminance": 0.49642
}

Semantic roles & 50–950 ramp

primary

#4DC9F0

secondary

#EABDAE

accent

#3905E1

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1417

muted

#7E8385

Preview Lab

Preview with #4DC9F0

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

Preview Lab → · Contrast checker → · Palette generator →