#40B4A8#40B4A8

#40B4A8 is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.2% C 0.104 H 185.4°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#40B4A8
RGB	rgb(64, 180, 168)
HSL	hsl(174, 48%, 48%)
HSV	hsv(174, 64%, 71%)
CMYK	cmyk(64.4%, 0%, 6.7%, 29.4%)
CIE-LAB	lab(66.94, -35.03, -3.44)
CIE-LCH	lch(66.94, 35.20, 185.62°)
OKLab	oklab(70.22% -0.1038 -0.0099)
OKLCH	oklch(70.22% 0.104 185.4)
XYZ	xyz(25.5002, 36.5569, 42.7505)
Luminance	0.3656 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B4A8 #B4404C

analogous

#40B46E #40B4A8 #4086B4

triadic

#40B4A8 #A840B4 #B4A840

tetradic

#40B4A8 #6E40B4 #B4404C #86B440

square

#40B4A8 #6E40B4 #B4404C #86B440

split-complementary

#40B4A8 #B44086 #B46E40

monochromatic

#205A54 #30877E #40B4A8 #68C9BF #95D9D2

Accessibility & contrast

On white

2.53

#40B4A8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#40B4A8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4A8

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B4A8	#FFFFFF	#000000	##000000
##40B4A8	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABAAA8

Deuteranopia (green-blind)

#9A9EA9

Tritanopia (blue-blind)

#00B8B0

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b4a8;
/* rgb */ color: rgb(64, 180, 168);
/* oklch */ color: oklch(70.2% 0.104 185.4);

Tailwind

colors: {
  custom: {
    50: '#83cbc1',
    500: '#40b4a8',
    950: '#000000',
  },
}

SCSS

$custom: #40b4a8;
$custom-light: #83cbc1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b4a8",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 168
  },
  "hsl": {
    "h": 173.793,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.70216,
    "c": 0.10423,
    "h": 185.4
  },
  "luminance": 0.3656
}

Semantic roles & 50–950 ramp

primary

#40B4A8

secondary

#C58B91

accent

#515FD7

background

#F8FCFB

surface

#F0F8F7

border

#CBD1D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B4A8

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

Preview Lab → · Contrast checker → · Palette generator →