#40E6FF#40E6FF

#40E6FF is a very light, vivid teal. Relative luminance 0.649; OKLCH L 85.3% C 0.134 H 210.0°. Best body text is #000000 at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#40E6FF
RGB	rgb(64, 230, 255)
HSL	hsl(188, 100%, 63%)
HSV	hsv(188, 75%, 100%)
CMYK	cmyk(74.9%, 9.8%, 0%, 0%)
CIE-LAB	lab(84.43, -33.47, -24.16)
CIE-LCH	lch(84.43, 41.28, 215.82°)
OKLab	oklab(85.27% -0.1163 -0.0673)
OKLCH	oklch(85.27% 0.134 210)
XYZ	xyz(48.4533, 64.8977, 104.5612)
Luminance	0.6490 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E6FF #FF5940

analogous

#40FFB8 #40E6FF #4087FF

triadic

#40E6FF #FF40E6 #E6FF40

tetradic

#40E6FF #B840FF #FF5940 #87FF40

square

#40E6FF #B840FF #FF5940 #87FF40

split-complementary

#40E6FF #FF4087 #FFB840

monochromatic

#00ABC5 #03DEFF #40E6FF #7DEEFF #BAF6FF

Accessibility & contrast

On white

1.50

#40E6FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.98

#40E6FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E6FF

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E6FF	#FFFFFF	#000000	##000000
##40E6FF	1.00	1.50	13.98	13.98
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.98	21.00	1.00	1.00
##000000	13.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1DEFF

Deuteranopia (green-blind)

#B7CBFF

Tritanopia (blue-blind)

#00F1EE

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #40e6ff;
/* rgb */ color: rgb(64, 230, 255);
/* oklch */ color: oklch(85.3% 0.134 210.0);

Tailwind

colors: {
  custom: {
    50: '#91eeff',
    500: '#40e6ff',
    950: '#000000',
  },
}

SCSS

$custom: #40e6ff;
$custom-light: #91eeff;
$custom-dark: #000000;

JSON

{
  "hex": "#40e6ff",
  "rgb": {
    "r": 64,
    "g": 230,
    "b": 255
  },
  "hsl": {
    "h": 187.853,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.85272,
    "c": 0.13437,
    "h": 210
  },
  "luminance": 0.64904
}

Semantic roles & 50–950 ramp

primary

#40E6FF

secondary

#C13722

accent

#1E00E6

background

#FCFFFF

surface

#F5FEFF

border

#CFD6D7

text

#0F1618

muted

#808586

Preview Lab

Preview with #40E6FF

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

Preview Lab → · Contrast checker → · Palette generator →