#40D1ED#40D1ED

#40D1ED is a light, vivid teal. Relative luminance 0.528; OKLCH L 79.7% C 0.125 H 213.7°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#40D1ED
RGB	rgb(64, 209, 237)
HSL	hsl(190, 83%, 59%)
HSV	hsv(190, 73%, 93%)
CMYK	cmyk(73%, 11.8%, 0%, 7.1%)
CIE-LAB	lab(77.76, -28.83, -24.77)
CIE-LCH	lch(77.76, 38.01, 220.67°)
OKLab	oklab(79.69% -0.1037 -0.069)
OKLCH	oklch(79.69% 0.125 213.7)
XYZ	xyz(40.1944, 52.8006, 88.1775)
Luminance	0.5281 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D1ED #ED5C40

analogous

#40EDB3 #40D1ED #407BED

triadic

#40D1ED #ED40D1 #D1ED40

tetradic

#40D1ED #B340ED #ED5C40 #7BED40

square

#40D1ED #B340ED #ED5C40 #7BED40

split-complementary

#40D1ED #ED407B #EDB340

monochromatic

#0F8BA3 #15BBDB #40D1ED #78DEF2 #B0ECF8

Accessibility & contrast

On white

1.82

#40D1ED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#40D1ED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D1ED

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D1ED	#FFFFFF	#000000	##000000
##40D1ED	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCAEF

Deuteranopia (green-blind)

#A5B9ED

Tritanopia (blue-blind)

#00DCDA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d1ed;
/* rgb */ color: rgb(64, 209, 237);
/* oklch */ color: oklch(79.7% 0.125 213.7);

Tailwind

colors: {
  custom: {
    50: '#8ddff2',
    500: '#40d1ed',
    950: '#000000',
  },
}

SCSS

$custom: #40d1ed;
$custom-light: #8ddff2;
$custom-dark: #000000;

JSON

{
  "hex": "#40d1ed",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 237
  },
  "hsl": {
    "h": 189.711,
    "s": 82.775,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79687,
    "c": 0.12456,
    "h": 213.7
  },
  "luminance": 0.52805
}

Semantic roles & 50–950 ramp

primary

#40D1ED

secondary

#A5402C

accent

#4F2FF9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1517

muted

#7F8485

Preview Lab

Preview with #40D1ED

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

Preview Lab → · Contrast checker → · Palette generator →