#4ECEF3#4ECEF3

#4ECEF3 is a light, vivid cyan. Relative luminance 0.522; OKLCH L 79.6% C 0.122 H 220.7°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#4ECEF3
RGB	rgb(78, 206, 243)
HSL	hsl(193, 87%, 63%)
HSV	hsv(193, 68%, 95%)
CMYK	cmyk(67.9%, 15.2%, 0%, 4.7%)
CIE-LAB	lab(77.42, -23.69, -28.48)
CIE-LCH	lch(77.42, 37.04, 230.24°)
OKLab	oklab(79.57% -0.0923 -0.0795)
OKLCH	oklch(79.57% 0.122 220.7)
XYZ	xyz(41.3842, 52.2287, 92.6767)
Luminance	0.5223 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECEF3 #F3734E

analogous

#4EF3C6 #4ECEF3 #4E7BF3

triadic

#4ECEF3 #F34ECE #CEF34E

tetradic

#4ECEF3 #C64EF3 #F3734E #7BF34E

square

#4ECEF3 #C64EF3 #F3734E #7BF34E

split-complementary

#4ECEF3 #F34E7B #F3C64E

monochromatic

#0D93BA #15BEEF #4ECEF3 #87DEF7 #C1EEFB

Accessibility & contrast

On white

1.83

#4ECEF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#4ECEF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECEF3

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECEF3	#FFFFFF	#000000	##000000
##4ECEF3	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C9F5

Deuteranopia (green-blind)

#A1B8F3

Tritanopia (blue-blind)

#00DADA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #4ecef3;
/* rgb */ color: rgb(78, 206, 243);
/* oklch */ color: oklch(79.6% 0.122 220.7);

Tailwind

colors: {
  custom: {
    50: '#92ddf7',
    500: '#4ecef3',
    950: '#000000',
  },
}

SCSS

$custom: #4ecef3;
$custom-light: #92ddf7;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecef3",
  "rgb": {
    "r": 78,
    "g": 206,
    "b": 243
  },
  "hsl": {
    "h": 193.455,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.79574,
    "c": 0.12178,
    "h": 220.7
  },
  "luminance": 0.52233
}

Semantic roles & 50–950 ramp

primary

#4ECEF3

secondary

#B94C2D

accent

#3402E4

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #4ECEF3

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

Preview Lab → · Contrast checker → · Palette generator →