#40E8FF#40E8FF

#40E8FF is a very light, vivid teal. Relative luminance 0.660; OKLCH L 85.7% C 0.135 H 208.7°. Best body text is #000000 at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#40E8FF
RGB	rgb(64, 232, 255)
HSL	hsl(187, 100%, 63%)
HSV	hsv(187, 75%, 100%)
CMYK	cmyk(74.9%, 9%, 0%, 0%)
CIE-LAB	lab(85.01, -34.41, -23.29)
CIE-LCH	lch(85.01, 41.55, 214.09°)
OKLab	oklab(85.74% -0.1182 -0.0648)
OKLCH	oklch(85.74% 0.135 208.7)
XYZ	xyz(49.0131, 66.0172, 104.7478)
Luminance	0.6602 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E8FF #FF5740

analogous

#40FFB6 #40E8FF #4089FF

triadic

#40E8FF #FF40E8 #E8FF40

tetradic

#40E8FF #B640FF #FF5740 #89FF40

square

#40E8FF #B640FF #FF5740 #89FF40

split-complementary

#40E8FF #FF4089 #FFB640

monochromatic

#00ADC5 #03E1FF #40E8FF #7DEFFF #BAF7FF

Accessibility & contrast

On white

1.48

#40E8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.20

#40E8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E8FF

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E8FF	#FFFFFF	#000000	##000000
##40E8FF	1.00	1.48	14.20	14.20
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.20	21.00	1.00	1.00
##000000	14.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3DFFF

Deuteranopia (green-blind)

#B9CCFF

Tritanopia (blue-blind)

#00F3EF

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #40e8ff;
/* rgb */ color: rgb(64, 232, 255);
/* oklch */ color: oklch(85.7% 0.135 208.7);

Tailwind

colors: {
  custom: {
    50: '#91efff',
    500: '#40e8ff',
    950: '#000000',
  },
}

SCSS

$custom: #40e8ff;
$custom-light: #91efff;
$custom-dark: #000000;

JSON

{
  "hex": "#40e8ff",
  "rgb": {
    "r": 64,
    "g": 232,
    "b": 255
  },
  "hsl": {
    "h": 187.225,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85736,
    "c": 0.13477,
    "h": 208.7
  },
  "luminance": 0.66023
}

Semantic roles & 50–950 ramp

primary

#40E8FF

secondary

#C13522

accent

#1C00E6

background

#FCFFFF

surface

#F5FEFF

border

#CFD6D7

text

#0F1618

muted

#808586

Preview Lab

Preview with #40E8FF

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

Preview Lab → · Contrast checker → · Palette generator →