#40B8A9#40B8A9

#40B8A9 is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.2% C 0.108 H 183.4°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#40B8A9
RGB	rgb(64, 184, 169)
HSL	hsl(173, 48%, 49%)
HSV	hsv(173, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 8.2%, 27.8%)
CIE-LAB	lab(68.19, -36.61, -2.16)
CIE-LCH	lch(68.19, 36.67, 183.38°)
OKLab	oklab(71.24% -0.1075 -0.0064)
OKLCH	oklch(71.24% 0.108 183.4)
XYZ	xyz(26.4129, 38.2326, 43.5160)
Luminance	0.3824 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8A9 #B8404F

analogous

#40B86D #40B8A9 #408BB8

triadic

#40B8A9 #A940B8 #B8A940

tetradic

#40B8A9 #6D40B8 #B8404F #8BB840

square

#40B8A9 #6D40B8 #B8404F #8BB840

split-complementary

#40B8A9 #B8408B #B86D40

monochromatic

#205D56 #308B7F #40B8A9 #6ACBBF #97DBD3

Accessibility & contrast

On white

2.43

#40B8A9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#40B8A9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8A9

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8A9	#FFFFFF	#000000	##000000
##40B8A9	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFAEA8

Deuteranopia (green-blind)

#9EA1AA

Tritanopia (blue-blind)

#00BCB3

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b8a9;
/* rgb */ color: rgb(64, 184, 169);
/* oklch */ color: oklch(71.2% 0.108 183.4);

Tailwind

colors: {
  custom: {
    50: '#84cec2',
    500: '#40b8a9',
    950: '#000000',
  },
}

SCSS

$custom: #40b8a9;
$custom-light: #84cec2;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8a9",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 169
  },
  "hsl": {
    "h": 172.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.7124,
    "c": 0.10769,
    "h": 183.4
  },
  "luminance": 0.38236
}

Semantic roles & 50–950 ramp

primary

#40B8A9

secondary

#C78D94

accent

#5061D8

background

#F8FCFB

surface

#F0F9F7

border

#CBD2D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B8A9

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

Preview Lab → · Contrast checker → · Palette generator →