#40B9BC#40B9BC

#40B9BC is a light, moderate teal. Relative luminance 0.394; OKLCH L 72.1% C 0.105 H 197.5°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#40B9BC
RGB	rgb(64, 185, 188)
HSL	hsl(181, 49%, 49%)
HSV	hsv(181, 66%, 74%)
CMYK	cmyk(66%, 1.6%, 0%, 26.3%)
CIE-LAB	lab(69.05, -31.80, -11.35)
CIE-LCH	lch(69.05, 33.76, 199.64°)
OKLab	oklab(72.12% -0.1001 -0.0315)
OKLCH	oklch(72.12% 0.105 197.5)
XYZ	xyz(28.5364, 39.4156, 53.6712)
Luminance	0.3942 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B9BC #BC4340

analogous

#40BC81 #40B9BC #407BBC

triadic

#40B9BC #BC40B9 #B9BC40

tetradic

#40B9BC #8140BC #BC4340 #7BBC40

square

#40B9BC #8140BC #BC4340 #7BBC40

split-complementary

#40B9BC #BC407B #BC8140

monochromatic

#215F61 #308C8E #40B9BC #6CCBCD #9ADBDD

Accessibility & contrast

On white

2.36

#40B9BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#40B9BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9BC

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B9BC	#FFFFFF	#000000	##000000
##40B9BC	1.00	2.36	8.88	8.88
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB1BC

Deuteranopia (green-blind)

#9AA3BD

Tritanopia (blue-blind)

#00BFBA

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40b9bc;
/* rgb */ color: rgb(64, 185, 188);
/* oklch */ color: oklch(72.1% 0.105 197.5);

Tailwind

colors: {
  custom: {
    50: '#85ced0',
    500: '#40b9bc',
    950: '#000000',
  },
}

SCSS

$custom: #40b9bc;
$custom-light: #85ced0;
$custom-dark: #000000;

JSON

{
  "hex": "#40b9bc",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 188
  },
  "hsl": {
    "h": 181.452,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.72122,
    "c": 0.10493,
    "h": 197.5
  },
  "luminance": 0.39419
}

Semantic roles & 50–950 ramp

primary

#40B9BC

secondary

#C9918F

accent

#524FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B9BC

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

Preview Lab → · Contrast checker → · Palette generator →