#40B5BE#40B5BE

#40B5BE is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.2% C 0.103 H 202.4°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#40B5BE
RGB	rgb(64, 181, 190)
HSL	hsl(184, 50%, 50%)
HSV	hsv(184, 66%, 75%)
CMYK	cmyk(66.3%, 4.7%, 0%, 25.5%)
CIE-LAB	lab(67.91, -29.28, -14.16)
CIE-LCH	lch(67.91, 32.52, 205.81°)
OKLab	oklab(71.22% -0.0951 -0.0393)
OKLCH	oklch(71.22% 0.103 202.4)
XYZ	xyz(27.9285, 37.8523, 54.5395)
Luminance	0.3785 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5BE #BE4940

analogous

#40BE88 #40B5BE #4076BE

triadic

#40B5BE #BE40B5 #B5BE40

tetradic

#40B5BE #8840BE #BE4940 #76BE40

square

#40B5BE #8840BE #BE4940 #76BE40

split-complementary

#40B5BE #BE4076 #BE8840

monochromatic

#215E62 #318990 #40B5BE #6DC7CE #9BD9DD

Accessibility & contrast

On white

2.45

#40B5BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#40B5BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5BE

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5BE	#FFFFFF	#000000	##000000
##40B5BE	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ADBF

Deuteranopia (green-blind)

#95A0BF

Tritanopia (blue-blind)

#00BCB7

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b5be;
/* rgb */ color: rgb(64, 181, 190);
/* oklch */ color: oklch(71.2% 0.103 202.4);

Tailwind

colors: {
  custom: {
    50: '#85cbd1',
    500: '#40b5be',
    950: '#000000',
  },
}

SCSS

$custom: #40b5be;
$custom-light: #85cbd1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5be",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 190
  },
  "hsl": {
    "h": 184.286,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.71221,
    "c": 0.10292,
    "h": 202.4
  },
  "luminance": 0.37855
}

Semantic roles & 50–950 ramp

primary

#40B5BE

secondary

#C99490

accent

#594FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B5BE

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

Preview Lab → · Contrast checker → · Palette generator →