#40B4A3#40B4A3

#40B4A3 is a light, moderate teal. Relative luminance 0.364; OKLCH L 70.1% C 0.106 H 181.6°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#40B4A3
RGB	rgb(64, 180, 163)
HSL	hsl(171, 48%, 48%)
HSV	hsv(171, 64%, 71%)
CMYK	cmyk(64.4%, 0%, 9.4%, 29.4%)
CIE-LAB	lab(66.80, -36.37, -0.88)
CIE-LCH	lch(66.80, 36.38, 181.39°)
OKLab	oklab(70.06% -0.106 -0.003)
OKLCH	oklch(70.06% 0.106 181.6)
XYZ	xyz(25.0434, 36.3741, 40.3443)
Luminance	0.3638 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B4A3 #B44051

analogous

#40B469 #40B4A3 #408BB4

triadic

#40B4A3 #A340B4 #B4A340

tetradic

#40B4A3 #6940B4 #B44051 #8BB440

square

#40B4A3 #6940B4 #B44051 #8BB440

split-complementary

#40B4A3 #B4408B #B46940

monochromatic

#205A51 #30877A #40B4A3 #68C9BB #95D9CF

Accessibility & contrast

On white

2.54

#40B4A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#40B4A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4A3

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B4A3	#FFFFFF	#000000	##000000
##40B4A3	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACAAA2

Deuteranopia (green-blind)

#9B9DA5

Tritanopia (blue-blind)

#00B7AF

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b4a3;
/* rgb */ color: rgb(64, 180, 163);
/* oklch */ color: oklch(70.1% 0.106 181.6);

Tailwind

colors: {
  custom: {
    50: '#83cbbe',
    500: '#40b4a3',
    950: '#000000',
  },
}

SCSS

$custom: #40b4a3;
$custom-light: #83cbbe;
$custom-dark: #000000;

JSON

{
  "hex": "#40b4a3",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 163
  },
  "hsl": {
    "h": 171.207,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.70057,
    "c": 0.10608,
    "h": 181.6
  },
  "luminance": 0.36377
}

Semantic roles & 50–950 ramp

primary

#40B4A3

secondary

#C58B93

accent

#5164D7

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B4A3

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

Preview Lab → · Contrast checker → · Palette generator →