#4DB3DD#4DB3DD

#4DB3DD is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.4% C 0.112 H 228.5°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#4DB3DD
RGB	rgb(77, 179, 221)
HSL	hsl(198, 68%, 58%)
HSV	hsv(198, 65%, 87%)
CMYK	cmyk(65.2%, 19%, 0%, 13.3%)
CIE-LAB	lab(68.78, -16.76, -29.86)
CIE-LCH	lch(68.78, 34.24, 240.69°)
OKLab	oklab(72.38% -0.074 -0.0835)
OKLCH	oklch(72.38% 0.112 228.5)
XYZ	xyz(32.2266, 39.0350, 74.2287)
Luminance	0.3904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DB3DD #DD774D

analogous

#4DDDBF #4DB3DD #4D6BDD

triadic

#4DB3DD #DD4DB3 #B3DD4D

tetradic

#4DB3DD #BF4DDD #DD774D #6BDD4D

square

#4DB3DD #BF4DDD #DD774D #6BDD4D

split-complementary

#4DB3DD #DD4D6B #DDBF4D

monochromatic

#1C7193 #2698C7 #4DB3DD #80C9E7 #B4DFF1

Accessibility & contrast

On white

2.38

#4DB3DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#4DB3DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DB3DD

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DB3DD	#FFFFFF	#000000	##000000
##4DB3DD	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DB0DF

Deuteranopia (green-blind)

#89A1DC

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4db3dd;
/* rgb */ color: rgb(77, 179, 221);
/* oklch */ color: oklch(72.4% 0.112 228.5);

Tailwind

colors: {
  custom: {
    50: '#8ec9e7',
    500: '#4db3dd',
    950: '#000000',
  },
}

SCSS

$custom: #4db3dd;
$custom-light: #8ec9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4db3dd",
  "rgb": {
    "r": 77,
    "g": 179,
    "b": 221
  },
  "hsl": {
    "h": 197.5,
    "s": 67.925,
    "l": 58.431
  },
  "oklch": {
    "l": 0.72381,
    "c": 0.11156,
    "h": 228.5
  },
  "luminance": 0.39038
}

Semantic roles & 50–950 ramp

primary

#4DB3DD

secondary

#DFB7A6

accent

#703DEB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #4DB3DD

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

Preview Lab → · Contrast checker → · Palette generator →