#40B5BF#40B5BF

#40B5BF is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.3% C 0.103 H 203.2°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#40B5BF
RGB	rgb(64, 181, 191)
HSL	hsl(185, 50%, 50%)
HSV	hsv(185, 66%, 75%)
CMYK	cmyk(66.5%, 5.2%, 0%, 25.1%)
CIE-LAB	lab(67.94, -28.98, -14.66)
CIE-LCH	lch(67.94, 32.48, 206.83°)
OKLab	oklab(71.26% -0.0947 -0.0407)
OKLCH	oklch(71.26% 0.103 203.2)
XYZ	xyz(28.0381, 37.8962, 55.1171)
Luminance	0.3790 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5BF #BF4A40

analogous

#40BF89 #40B5BF #4076BF

triadic

#40B5BF #BF40B5 #B5BF40

tetradic

#40B5BF #8940BF #BF4A40 #76BF40

square

#40B5BF #8940BF #BF4A40 #76BF40

split-complementary

#40B5BF #BF4076 #BF8940

monochromatic

#215E63 #318A91 #40B5BF #6EC7CE #9CD9DE

Accessibility & contrast

On white

2.45

#40B5BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#40B5BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5BF

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5BF	#FFFFFF	#000000	##000000
##40B5BF	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7AEC0

Deuteranopia (green-blind)

#94A0BF

Tritanopia (blue-blind)

#00BCB8

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b5bf;
/* rgb */ color: rgb(64, 181, 191);
/* oklch */ color: oklch(71.3% 0.103 203.2);

Tailwind

colors: {
  custom: {
    50: '#85cbd2',
    500: '#40b5bf',
    950: '#000000',
  },
}

SCSS

$custom: #40b5bf;
$custom-light: #85cbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5bf",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 191
  },
  "hsl": {
    "h": 184.724,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71258,
    "c": 0.10307,
    "h": 203.2
  },
  "luminance": 0.37899
}

Semantic roles & 50–950 ramp

primary

#40B5BF

secondary

#CA9591

accent

#594ED9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B5BF

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

Preview Lab → · Contrast checker → · Palette generator →