#40DDF5#40DDF5

#40DDF5 is a very light, vivid teal. Relative luminance 0.594; OKLCH L 82.8% C 0.129 H 210.1°. Best body text is #000000 at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#40DDF5
RGB	rgb(64, 221, 245)
HSL	hsl(188, 90%, 61%)
HSV	hsv(188, 74%, 96%)
CMYK	cmyk(73.9%, 9.8%, 0%, 3.9%)
CIE-LAB	lab(81.51, -32.19, -23.33)
CIE-LCH	lch(81.51, 39.75, 215.92°)
OKLab	oklab(82.8% -0.1119 -0.0649)
OKLCH	oklch(82.8% 0.129 210.1)
XYZ	xyz(44.4451, 59.3901, 95.4895)
Luminance	0.5939 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DDF5 #F55840

analogous

#40F5B3 #40DDF5 #4082F5

triadic

#40DDF5 #F540DD #DDF540

tetradic

#40DDF5 #B340F5 #F55840 #82F540

square

#40DDF5 #B340F5 #F55840 #82F540

split-complementary

#40DDF5 #F54082 #F5B340

monochromatic

#099BB1 #0CCEEB #40DDF5 #7AE7F8 #B4F2FB

Accessibility & contrast

On white

1.63

#40DDF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.88

#40DDF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DDF5

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DDF5	#FFFFFF	#000000	##000000
##40DDF5	1.00	1.63	12.88	12.88
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.88	21.00	1.00	1.00
##000000	12.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D5F6

Deuteranopia (green-blind)

#B0C3F5

Tritanopia (blue-blind)

#00E8E4

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #40ddf5;
/* rgb */ color: rgb(64, 221, 245);
/* oklch */ color: oklch(82.8% 0.129 210.1);

Tailwind

colors: {
  custom: {
    50: '#8fe8f8',
    500: '#40ddf5',
    950: '#000000',
  },
}

SCSS

$custom: #40ddf5;
$custom-light: #8fe8f8;
$custom-dark: #000000;

JSON

{
  "hex": "#40ddf5",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 245
  },
  "hsl": {
    "h": 187.956,
    "s": 90.05,
    "l": 60.588
  },
  "oklch": {
    "l": 0.828,
    "c": 0.12934,
    "h": 210.1
  },
  "luminance": 0.59395
}

Semantic roles & 50–950 ramp

primary

#40DDF5

secondary

#B13A28

accent

#1E00E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0E1617

muted

#7F8485

Preview Lab

Preview with #40DDF5

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

Preview Lab → · Contrast checker → · Palette generator →