#40C5DB#40C5DB

#40C5DB is a light, moderate teal. Relative luminance 0.461; OKLCH L 76.2% C 0.116 H 210.9°. Best body text is #000000 at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#40C5DB
RGB	rgb(64, 197, 219)
HSL	hsl(189, 68%, 55%)
HSV	hsv(189, 71%, 86%)
CMYK	cmyk(70.8%, 10%, 0%, 14.1%)
CIE-LAB	lab(73.63, -28.44, -21.36)
CIE-LCH	lch(73.63, 35.56, 216.91°)
OKLab	oklab(76.16% -0.0992 -0.0594)
OKLCH	oklch(76.16% 0.116 210.9)
XYZ	xyz(34.8613, 46.1329, 74.0713)
Luminance	0.4614 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C5DB #DB5640

analogous

#40DBA3 #40C5DB #4077DB

triadic

#40C5DB #DB40C5 #C5DB40

tetradic

#40C5DB #A340DB #DB5640 #77DB40

square

#40C5DB #A340DB #DB5640 #77DB40

split-complementary

#40C5DB #DB4077 #DBA340

monochromatic

#197887 #23A5BB #40C5DB #73D5E5 #A7E4EE

Accessibility & contrast

On white

2.05

#40C5DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.23

#40C5DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C5DB

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C5DB	#FFFFFF	#000000	##000000
##40C5DB	1.00	2.05	10.23	10.23
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.23	21.00	1.00	1.00
##000000	10.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3BEDC

Deuteranopia (green-blind)

#9DAEDB

Tritanopia (blue-blind)

#00CECC

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40c5db;
/* rgb */ color: rgb(64, 197, 219);
/* oklch */ color: oklch(76.2% 0.116 210.9);

Tailwind

colors: {
  custom: {
    50: '#8ad7e6',
    500: '#40c5db',
    950: '#000000',
  },
}

SCSS

$custom: #40c5db;
$custom-light: #8ad7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#40c5db",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 219
  },
  "hsl": {
    "h": 188.516,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76157,
    "c": 0.11567,
    "h": 210.9
  },
  "luminance": 0.46137
}

Semantic roles & 50–950 ramp

primary

#40C5DB

secondary

#DCA49B

accent

#553DEB

background

#F9FDFE

surface

#F1FAFC

border

#CBD3D5

text

#0D1415

muted

#7E8384

Preview Lab

Preview with #40C5DB

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

Preview Lab → · Contrast checker → · Palette generator →