#40C1D4#40C1D4

#40C1D4 is a light, moderate teal. Relative luminance 0.440; OKLCH L 74.9% C 0.112 H 209.2°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#40C1D4
RGB	rgb(64, 193, 212)
HSL	hsl(188, 63%, 54%)
HSV	hsv(188, 70%, 83%)
CMYK	cmyk(69.8%, 9%, 0%, 16.9%)
CIE-LAB	lab(72.21, -28.59, -19.71)
CIE-LCH	lch(72.21, 34.73, 214.58°)
OKLab	oklab(74.94% -0.0981 -0.0548)
OKLCH	oklch(74.94% 0.112 209.2)
XYZ	xyz(33.0629, 43.9796, 69.0210)
Luminance	0.4398 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C1D4 #D45340

analogous

#40D49D #40C1D4 #4077D4

triadic

#40C1D4 #D440C1 #C1D440

tetradic

#40C1D4 #9D40D4 #D45340 #77D440

square

#40C1D4 #9D40D4 #D45340 #77D440

split-complementary

#40C1D4 #D44077 #D49D40

monochromatic

#1C717D #279EAF #40C1D4 #72D1DF #A4E1EA

Accessibility & contrast

On white

2.14

#40C1D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#40C1D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C1D4

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C1D4	#FFFFFF	#000000	##000000
##40C1D4	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0BAD5

Deuteranopia (green-blind)

#9BAAD4

Tritanopia (blue-blind)

#00CAC7

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40c1d4;
/* rgb */ color: rgb(64, 193, 212);
/* oklch */ color: oklch(74.9% 0.112 209.2);

Tailwind

colors: {
  custom: {
    50: '#88d4e1',
    500: '#40c1d4',
    950: '#000000',
  },
}

SCSS

$custom: #40c1d4;
$custom-light: #88d4e1;
$custom-dark: #000000;

JSON

{
  "hex": "#40c1d4",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 212
  },
  "hsl": {
    "h": 187.703,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.74936,
    "c": 0.11237,
    "h": 209.2
  },
  "luminance": 0.43983
}

Semantic roles & 50–950 ramp

primary

#40C1D4

secondary

#D7A198

accent

#5742E6

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #40C1D4

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

Preview Lab → · Contrast checker → · Palette generator →