#4DB3DF#4DB3DF

#4DB3DF is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.5% C 0.113 H 229.7°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#4DB3DF
RGB	rgb(77, 179, 223)
HSL	hsl(198, 70%, 59%)
HSV	hsv(198, 65%, 87%)
CMYK	cmyk(65.5%, 19.7%, 0%, 12.5%)
CIE-LAB	lab(68.85, -16.13, -30.83)
CIE-LCH	lch(68.85, 34.80, 242.38°)
OKLab	oklab(72.47% -0.0732 -0.0863)
OKLCH	oklch(72.47% 0.113 229.7)
XYZ	xyz(32.4947, 39.1422, 75.6404)
Luminance	0.3915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DB3DF #DF794D

analogous

#4DDFC2 #4DB3DF #4D6ADF

triadic

#4DB3DF #DF4DB3 #B3DF4D

tetradic

#4DB3DF #C24DDF #DF794D #6ADF4D

square

#4DB3DF #C24DDF #DF794D #6ADF4D

split-complementary

#4DB3DF #DF4D6A #DFC24D

monochromatic

#1B7197 #2498CA #4DB3DF #81C9E8 #B5DFF2

Accessibility & contrast

On white

2.38

#4DB3DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#4DB3DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DB3DF

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DB3DF	#FFFFFF	#000000	##000000
##4DB3DF	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB0E1

Deuteranopia (green-blind)

#88A2DE

Tritanopia (blue-blind)

#00BFC1

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #4db3df;
/* rgb */ color: rgb(77, 179, 223);
/* oklch */ color: oklch(72.5% 0.113 229.7);

Tailwind

colors: {
  custom: {
    50: '#8ec9e9',
    500: '#4db3df',
    950: '#000000',
  },
}

SCSS

$custom: #4db3df;
$custom-light: #8ec9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4db3df",
  "rgb": {
    "r": 77,
    "g": 179,
    "b": 223
  },
  "hsl": {
    "h": 198.082,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.72468,
    "c": 0.1132,
    "h": 229.7
  },
  "luminance": 0.39146
}

Semantic roles & 50–950 ramp

primary

#4DB3DF

secondary

#E1B8A7

accent

#713BEC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4DB3DF

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

Preview Lab → · Contrast checker → · Palette generator →