#40B5BD#40B5BD

#40B5BD is a light, moderate teal. Relative luminance 0.378; OKLCH L 71.2% C 0.103 H 201.6°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#40B5BD
RGB	rgb(64, 181, 189)
HSL	hsl(184, 49%, 50%)
HSV	hsv(184, 66%, 74%)
CMYK	cmyk(66.1%, 4.2%, 0%, 25.9%)
CIE-LAB	lab(67.88, -29.57, -13.66)
CIE-LCH	lch(67.88, 32.57, 204.79°)
OKLab	oklab(71.18% -0.0956 -0.0379)
OKLCH	oklch(71.18% 0.103 201.6)
XYZ	xyz(27.8195, 37.8088, 53.9659)
Luminance	0.3781 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5BD #BD4840

analogous

#40BD87 #40B5BD #4077BD

triadic

#40B5BD #BD40B5 #B5BD40

tetradic

#40B5BD #8740BD #BD4840 #77BD40

square

#40B5BD #8740BD #BD4840 #77BD40

split-complementary

#40B5BD #BD4077 #BD8740

monochromatic

#215D62 #31898F #40B5BD #6DC7CD #9AD9DD

Accessibility & contrast

On white

2.45

#40B5BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#40B5BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5BD

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5BD	#FFFFFF	#000000	##000000
##40B5BD	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ADBE

Deuteranopia (green-blind)

#95A0BE

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b5bd;
/* rgb */ color: rgb(64, 181, 189);
/* oklch */ color: oklch(71.2% 0.103 201.6);

Tailwind

colors: {
  custom: {
    50: '#85cbd0',
    500: '#40b5bd',
    950: '#000000',
  },
}

SCSS

$custom: #40b5bd;
$custom-light: #85cbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5bd",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 189
  },
  "hsl": {
    "h": 183.84,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.71184,
    "c": 0.10279,
    "h": 201.6
  },
  "luminance": 0.37812
}

Semantic roles & 50–950 ramp

primary

#40B5BD

secondary

#C99390

accent

#584FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B5BD

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

Preview Lab → · Contrast checker → · Palette generator →