#40B5BB#40B5BB

#40B5BB is a light, moderate teal. Relative luminance 0.377; OKLCH L 71.1% C 0.103 H 200.0°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#40B5BB
RGB	rgb(64, 181, 187)
HSL	hsl(183, 49%, 49%)
HSV	hsv(183, 66%, 73%)
CMYK	cmyk(65.8%, 3.2%, 0%, 26.7%)
CIE-LAB	lab(67.82, -30.16, -12.65)
CIE-LCH	lch(67.82, 32.70, 202.75°)
OKLab	oklab(71.11% -0.0964 -0.0351)
OKLCH	oklch(71.11% 0.103 200)
XYZ	xyz(27.6039, 37.7225, 52.8305)
Luminance	0.3773 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5BB #BB4640

analogous

#40BB84 #40B5BB #4078BB

triadic

#40B5BB #BB40B5 #B5BB40

tetradic

#40B5BB #8440BB #BB4640 #78BB40

square

#40B5BB #8440BB #BB4640 #78BB40

split-complementary

#40B5BB #BB4078 #BB8440

monochromatic

#215D60 #30898D #40B5BB #6CC8CD #99D9DC

Accessibility & contrast

On white

2.46

#40B5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#40B5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5BB

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5BB	#FFFFFF	#000000	##000000
##40B5BB	1.00	2.46	8.55	8.55
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ADBC

Deuteranopia (green-blind)

#969FBC

Tritanopia (blue-blind)

#00BBB7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b5bb;
/* rgb */ color: rgb(64, 181, 187);
/* oklch */ color: oklch(71.1% 0.103 200.0);

Tailwind

colors: {
  custom: {
    50: '#85cbcf',
    500: '#40b5bb',
    950: '#000000',
  },
}

SCSS

$custom: #40b5bb;
$custom-light: #85cbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5bb",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 187
  },
  "hsl": {
    "h": 182.927,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.71112,
    "c": 0.10259,
    "h": 200
  },
  "luminance": 0.37726
}

Semantic roles & 50–950 ramp

primary

#40B5BB

secondary

#C8928F

accent

#564FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B5BB

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

Preview Lab → · Contrast checker → · Palette generator →