#40C5D4#40C5D4

#40C5D4 is a light, moderate teal. Relative luminance 0.458; OKLCH L 75.9% C 0.114 H 206.0°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#40C5D4
RGB	rgb(64, 197, 212)
HSL	hsl(186, 63%, 54%)
HSV	hsv(186, 70%, 83%)
CMYK	cmyk(69.8%, 7.1%, 0%, 16.9%)
CIE-LAB	lab(73.40, -30.54, -17.92)
CIE-LCH	lch(73.40, 35.41, 210.40°)
OKLab	oklab(75.89% -0.1021 -0.0498)
OKLCH	oklch(75.89% 0.114 206)
XYZ	xyz(33.9591, 45.7720, 69.3197)
Luminance	0.4578 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C5D4 #D44F40

analogous

#40D499 #40C5D4 #407BD4

triadic

#40C5D4 #D440C5 #C5D440

tetradic

#40C5D4 #9940D4 #D44F40 #7BD440

square

#40C5D4 #9940D4 #D44F40 #7BD440

split-complementary

#40C5D4 #D4407B #D49940

monochromatic

#1C747D #27A2AF #40C5D4 #72D4DF #A4E3EA

Accessibility & contrast

On white

2.07

#40C5D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#40C5D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C5D4

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C5D4	#FFFFFF	#000000	##000000
##40C5D4	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5BDD5

Deuteranopia (green-blind)

#A0AED4

Tritanopia (blue-blind)

#00CDC9

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #40c5d4;
/* rgb */ color: rgb(64, 197, 212);
/* oklch */ color: oklch(75.9% 0.114 206.0);

Tailwind

colors: {
  custom: {
    50: '#89d7e1',
    500: '#40c5d4',
    950: '#000000',
  },
}

SCSS

$custom: #40c5d4;
$custom-light: #89d7e1;
$custom-dark: #000000;

JSON

{
  "hex": "#40c5d4",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 212
  },
  "hsl": {
    "h": 186.081,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.7589,
    "c": 0.11356,
    "h": 206
  },
  "luminance": 0.45776
}

Semantic roles & 50–950 ramp

primary

#40C5D4

secondary

#D79F98

accent

#5242E6

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #40C5D4

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

Preview Lab → · Contrast checker → · Palette generator →