#40ECFF#40ECFF

#40ECFF is a very light, vivid teal. Relative luminance 0.683; OKLCH L 86.7% C 0.136 H 206.2°. Best body text is #000000 at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#40ECFF
RGB	rgb(64, 236, 255)
HSL	hsl(186, 100%, 63%)
HSV	hsv(186, 75%, 100%)
CMYK	cmyk(74.9%, 7.5%, 0%, 0%)
CIE-LAB	lab(86.15, -36.28, -21.55)
CIE-LCH	lch(86.15, 42.20, 210.70°)
OKLab	oklab(86.66% -0.1219 -0.0599)
OKLCH	oklch(86.66% 0.136 206.2)
XYZ	xyz(50.1518, 68.2948, 105.1273)
Luminance	0.6830 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ECFF #FF5340

analogous

#40FFB3 #40ECFF #408CFF

triadic

#40ECFF #FF40EC #ECFF40

tetradic

#40ECFF #B340FF #FF5340 #8CFF40

square

#40ECFF #B340FF #FF5340 #8CFF40

split-complementary

#40ECFF #FF408C #FFB340

monochromatic

#00B1C5 #03E6FF #40ECFF #7DF2FF #BAF8FF

Accessibility & contrast

On white

1.43

#40ECFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.66

#40ECFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ECFF

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ECFF	#FFFFFF	#000000	##000000
##40ECFF	1.00	1.43	14.66	14.66
#FFFFFF	1.43	1.00	21.00	21.00
#000000	14.66	21.00	1.00	1.00
##000000	14.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8E3FF

Deuteranopia (green-blind)

#BECFFF

Tritanopia (blue-blind)

#00F6F2

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #40ecff;
/* rgb */ color: rgb(64, 236, 255);
/* oklch */ color: oklch(86.7% 0.136 206.2);

Tailwind

colors: {
  custom: {
    50: '#91f2ff',
    500: '#40ecff',
    950: '#000000',
  },
}

SCSS

$custom: #40ecff;
$custom-light: #91f2ff;
$custom-dark: #000000;

JSON

{
  "hex": "#40ecff",
  "rgb": {
    "r": 64,
    "g": 236,
    "b": 255
  },
  "hsl": {
    "h": 185.969,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.86664,
    "c": 0.1358,
    "h": 206.2
  },
  "luminance": 0.68301
}

Semantic roles & 50–950 ramp

primary

#40ECFF

secondary

#C13222

accent

#1700E6

background

#FCFFFF

surface

#F5FEFF

border

#CFD6D7

text

#0F1718

muted

#808586

Preview Lab

Preview with #40ECFF

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

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