#4DC9EB#4DC9EB

#4DC9EB is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.1% C 0.118 H 219.5°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#4DC9EB
RGB	rgb(77, 201, 235)
HSL	hsl(193, 80%, 61%)
HSV	hsv(193, 67%, 92%)
CMYK	cmyk(67.2%, 14.5%, 0%, 7.8%)
CIE-LAB	lab(75.67, -23.77, -26.87)
CIE-LCH	lch(75.67, 35.87, 228.51°)
OKLab	oklab(78.07% -0.0909 -0.0749)
OKLCH	oklch(78.07% 0.118 219.5)
XYZ	xyz(38.9364, 49.3449, 86.0536)
Luminance	0.4935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DC9EB #EB6F4D

analogous

#4DEBBE #4DC9EB #4D7AEB

triadic

#4DC9EB #EB4DC9 #C9EB4D

tetradic

#4DC9EB #BE4DEB #EB6F4D #7AEB4D

square

#4DC9EB #BE4DEB #EB6F4D #7AEB4D

split-complementary

#4DC9EB #EB4D7A #EBBE4D

monochromatic

#138AAA #19B6E1 #4DC9EB #84DAF1 #BBEAF7

Accessibility & contrast

On white

1.93

#4DC9EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#4DC9EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DC9EB

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DC9EB	#FFFFFF	#000000	##000000
##4DC9EB	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C4ED

Deuteranopia (green-blind)

#9EB3EB

Tritanopia (blue-blind)

#00D4D4

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #4dc9eb;
/* rgb */ color: rgb(77, 201, 235);
/* oklch */ color: oklch(78.1% 0.118 219.5);

Tailwind

colors: {
  custom: {
    50: '#91d9f1',
    500: '#4dc9eb',
    950: '#000000',
  },
}

SCSS

$custom: #4dc9eb;
$custom-light: #91d9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4dc9eb",
  "rgb": {
    "r": 77,
    "g": 201,
    "b": 235
  },
  "hsl": {
    "h": 192.911,
    "s": 79.798,
    "l": 61.176
  },
  "oklch": {
    "l": 0.78066,
    "c": 0.11777,
    "h": 219.5
  },
  "luminance": 0.49349
}

Semantic roles & 50–950 ramp

primary

#4DC9EB

secondary

#E8B9AC

accent

#3709DC

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #4DC9EB

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

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