#4ECFFF#4ECFFF

#4ECFFF is a light, vivid cyan. Relative luminance 0.535; OKLCH L 80.3% C 0.130 H 226.8°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#4ECFFF
RGB	rgb(78, 207, 255)
HSL	hsl(196, 100%, 65%)
HSV	hsv(196, 69%, 100%)
CMYK	cmyk(69.4%, 18.8%, 0%, 0%)
CIE-LAB	lab(78.15, -20.49, -33.77)
CIE-LCH	lch(78.15, 39.50, 238.75°)
OKLab	oklab(80.3% -0.0889 -0.0946)
OKLCH	oklch(80.3% 0.13 226.8)
XYZ	xyz(43.4974, 53.4604, 102.6148)
Luminance	0.5346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECFFF #FF7E4E

analogous

#4EFFD6 #4ECFFF #4E77FF

triadic

#4ECFFF #FF4ECF #CFFF4E

tetradic

#4ECFFF #D64EFF #FF7E4E #77FF4E

square

#4ECFFF #D64EFF #FF7E4E #77FF4E

split-complementary

#4ECFFF #FF4E77 #FFD64E

monochromatic

#0099D3 #11BEFF #4ECFFF #8BE0FF #C8F0FF

Accessibility & contrast

On white

1.80

#4ECFFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.69

#4ECFFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECFFF

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECFFF	#FFFFFF	#000000	##000000
##4ECFFF	1.00	1.80	11.69	11.69
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.69	21.00	1.00	1.00
##000000	11.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5CBFF

Deuteranopia (green-blind)

#9DBAFE

Tritanopia (blue-blind)

#00DDDF

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #4ecfff;
/* rgb */ color: rgb(78, 207, 255);
/* oklch */ color: oklch(80.3% 0.130 226.8);

Tailwind

colors: {
  custom: {
    50: '#94ddff',
    500: '#4ecfff',
    950: '#000000',
  },
}

SCSS

$custom: #4ecfff;
$custom-light: #94ddff;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecfff",
  "rgb": {
    "r": 78,
    "g": 207,
    "b": 255
  },
  "hsl": {
    "h": 196.271,
    "s": 100,
    "l": 65.294
  },
  "oklch": {
    "l": 0.80304,
    "c": 0.12979,
    "h": 226.8
  },
  "luminance": 0.53465
}

Semantic roles & 50–950 ramp

primary

#4ECFFF

secondary

#CD5224

accent

#3E00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #4ECFFF

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

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