#40EAFF#40EAFF

#40EAFF is a very light, vivid teal. Relative luminance 0.672; OKLCH L 86.2% C 0.135 H 207.5°. Best body text is #000000 at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#40EAFF
RGB	rgb(64, 234, 255)
HSL	hsl(187, 100%, 63%)
HSV	hsv(187, 75%, 100%)
CMYK	cmyk(74.9%, 8.2%, 0%, 0%)
CIE-LAB	lab(85.58, -35.35, -22.42)
CIE-LCH	lch(85.58, 41.86, 212.38°)
OKLab	oklab(86.2% -0.12 -0.0624)
OKLCH	oklch(86.2% 0.135 207.5)
XYZ	xyz(49.5792, 67.1496, 104.9365)
Luminance	0.6716 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40EAFF #FF5540

analogous

#40FFB5 #40EAFF #408AFF

triadic

#40EAFF #FF40EA #EAFF40

tetradic

#40EAFF #B540FF #FF5540 #8AFF40

square

#40EAFF #B540FF #FF5540 #8AFF40

split-complementary

#40EAFF #FF408A #FFB540

monochromatic

#00AFC5 #03E3FF #40EAFF #7DF1FF #BAF7FF

Accessibility & contrast

On white

1.46

#40EAFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.43

#40EAFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40EAFF

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40EAFF	#FFFFFF	#000000	##000000
##40EAFF	1.00	1.46	14.43	14.43
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.43	21.00	1.00	1.00
##000000	14.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6E1FF

Deuteranopia (green-blind)

#BBCEFF

Tritanopia (blue-blind)

#00F5F0

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #40eaff;
/* rgb */ color: rgb(64, 234, 255);
/* oklch */ color: oklch(86.2% 0.135 207.5);

Tailwind

colors: {
  custom: {
    50: '#91f1ff',
    500: '#40eaff',
    950: '#000000',
  },
}

SCSS

$custom: #40eaff;
$custom-light: #91f1ff;
$custom-dark: #000000;

JSON

{
  "hex": "#40eaff",
  "rgb": {
    "r": 64,
    "g": 234,
    "b": 255
  },
  "hsl": {
    "h": 186.597,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.862,
    "c": 0.13525,
    "h": 207.5
  },
  "luminance": 0.67156
}

Semantic roles & 50–950 ramp

primary

#40EAFF

secondary

#C13422

accent

#1900E6

background

#FCFFFF

surface

#F5FEFF

border

#CFD6D7

text

#0F1718

muted

#808586

Preview Lab

Preview with #40EAFF

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

Preview Lab → · Contrast checker → · Palette generator →