#40C5D5#40C5D5

#40C5D5 is a light, moderate teal. Relative luminance 0.458; OKLCH L 75.9% C 0.114 H 206.7°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#40C5D5
RGB	rgb(64, 197, 213)
HSL	hsl(186, 64%, 54%)
HSV	hsv(186, 70%, 84%)
CMYK	cmyk(70%, 7.5%, 0%, 16.5%)
CIE-LAB	lab(73.43, -30.24, -18.41)
CIE-LCH	lch(73.43, 35.41, 211.33°)
OKLab	oklab(75.93% -0.1017 -0.0511)
OKLCH	oklch(75.93% 0.114 206.7)
XYZ	xyz(34.0856, 45.8226, 69.9861)
Luminance	0.4583 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C5D5 #D55040

analogous

#40D59B #40C5D5 #407BD5

triadic

#40C5D5 #D540C5 #C5D540

tetradic

#40C5D5 #9B40D5 #D55040 #7BD540

square

#40C5D5 #9B40D5 #D55040 #7BD540

split-complementary

#40C5D5 #D5407B #D59B40

monochromatic

#1C747F #27A2B1 #40C5D5 #72D4E0 #A4E3EB

Accessibility & contrast

On white

2.07

#40C5D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#40C5D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C5D5

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C5D5	#FFFFFF	#000000	##000000
##40C5D5	1.00	2.07	10.17	10.17
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4BDD6

Deuteranopia (green-blind)

#9FAED5

Tritanopia (blue-blind)

#00CECA

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #40c5d5;
/* rgb */ color: rgb(64, 197, 213);
/* oklch */ color: oklch(75.9% 0.114 206.7);

Tailwind

colors: {
  custom: {
    50: '#89d7e2',
    500: '#40c5d5',
    950: '#000000',
  },
}

SCSS

$custom: #40c5d5;
$custom-light: #89d7e2;
$custom-dark: #000000;

JSON

{
  "hex": "#40c5d5",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 213
  },
  "hsl": {
    "h": 186.443,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.75928,
    "c": 0.1138,
    "h": 206.7
  },
  "luminance": 0.45827
}

Semantic roles & 50–950 ramp

primary

#40C5D5

secondary

#D8A099

accent

#5341E7

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #40C5D5

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

Preview Lab → · Contrast checker → · Palette generator →