#40B5BC#40B5BC

#40B5BC is a light, moderate teal. Relative luminance 0.378; OKLCH L 71.1% C 0.103 H 200.8°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#40B5BC
RGB	rgb(64, 181, 188)
HSL	hsl(183, 49%, 49%)
HSV	hsv(183, 66%, 74%)
CMYK	cmyk(66%, 3.7%, 0%, 26.3%)
CIE-LAB	lab(67.85, -29.87, -13.15)
CIE-LCH	lch(67.85, 32.63, 203.77°)
OKLab	oklab(71.15% -0.096 -0.0365)
OKLCH	oklch(71.15% 0.103 200.8)
XYZ	xyz(27.7114, 37.7655, 53.3962)
Luminance	0.3777 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5BC #BC4740

analogous

#40BC85 #40B5BC #4077BC

triadic

#40B5BC #BC40B5 #B5BC40

tetradic

#40B5BC #8540BC #BC4740 #77BC40

square

#40B5BC #8540BC #BC4740 #77BC40

split-complementary

#40B5BC #BC4077 #BC8540

monochromatic

#215D61 #30898E #40B5BC #6CC8CD #9AD9DD

Accessibility & contrast

On white

2.46

#40B5BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#40B5BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5BC

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5BC	#FFFFFF	#000000	##000000
##40B5BC	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)

#A8ADBD

Deuteranopia (green-blind)

#959FBD

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b5bc;
/* rgb */ color: rgb(64, 181, 188);
/* oklch */ color: oklch(71.1% 0.103 200.8);

Tailwind

colors: {
  custom: {
    50: '#85cbd0',
    500: '#40b5bc',
    950: '#000000',
  },
}

SCSS

$custom: #40b5bc;
$custom-light: #85cbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5bc",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 188
  },
  "hsl": {
    "h": 183.387,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.71148,
    "c": 0.10268,
    "h": 200.8
  },
  "luminance": 0.37769
}

Semantic roles & 50–950 ramp

primary

#40B5BC

secondary

#C9938F

accent

#574FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B5BC

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

Preview Lab → · Contrast checker → · Palette generator →