#4DB9FF#4DB9FF

#4DB9FF is a light, vivid cyan. Relative luminance 0.435; OKLCH L 75.3% C 0.141 H 240.8°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#4DB9FF
RGB	rgb(77, 185, 255)
HSL	hsl(204, 100%, 65%)
HSV	hsv(204, 70%, 100%)
CMYK	cmyk(69.8%, 27.5%, 0%, 0%)
CIE-LAB	lab(71.89, -9.03, -43.49)
CIE-LCH	lch(71.89, 44.42, 258.28°)
OKLab	oklab(75.31% -0.0685 -0.1228)
OKLCH	oklch(75.31% 0.141 240.8)
XYZ	xyz(38.4525, 43.4914, 100.9565)
Luminance	0.4350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4DB9FF #FF934D

analogous

#4DFFEC #4DB9FF #4D60FF

triadic

#4DB9FF #FF4DB9 #B9FF4D

tetradic

#4DB9FF #EC4DFF #FF934D #60FF4D

square

#4DB9FF #EC4DFF #FF934D #60FF4D

split-complementary

#4DB9FF #FF4D60 #FFEC4D

monochromatic

#007FD2 #10A1FF #4DB9FF #8AD1FF #C7E9FF

Accessibility & contrast

On white

2.17

#4DB9FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#4DB9FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4DB9FF

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4DB9FF	#FFFFFF	#000000	##000000
##4DB9FF	1.00	2.17	9.70	9.70
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99BAFF

Deuteranopia (green-blind)

#80A9FE

Tritanopia (blue-blind)

#00CAD1

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #4db9ff;
/* rgb */ color: rgb(77, 185, 255);
/* oklch */ color: oklch(75.3% 0.141 240.8);

Tailwind

colors: {
  custom: {
    50: '#92cdff',
    500: '#4db9ff',
    950: '#000000',
  },
}

SCSS

$custom: #4db9ff;
$custom-light: #92cdff;
$custom-dark: #000000;

JSON

{
  "hex": "#4db9ff",
  "rgb": {
    "r": 77,
    "g": 185,
    "b": 255
  },
  "hsl": {
    "h": 203.596,
    "s": 100,
    "l": 65.098
  },
  "oklch": {
    "l": 0.75314,
    "c": 0.14061,
    "h": 240.8
  },
  "luminance": 0.43496
}

Semantic roles & 50–950 ramp

primary

#4DB9FF

secondary

#F2CDB6

accent

#5A00E6

background

#F9FCFF

surface

#F2F9FF

border

#CCD2D7

text

#0F1318

muted

#7E8286

Preview Lab

Preview with #4DB9FF

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

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