#40B4AB#40B4AB

#40B4AB is a light, moderate teal. Relative luminance 0.367; OKLCH L 70.3% C 0.103 H 187.8°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#40B4AB
RGB	rgb(64, 180, 171)
HSL	hsl(175, 48%, 48%)
HSV	hsv(175, 64%, 71%)
CMYK	cmyk(64.4%, 0%, 5%, 29.4%)
CIE-LAB	lab(67.03, -34.21, -4.98)
CIE-LCH	lch(67.03, 34.57, 188.28°)
OKLab	oklab(70.31% -0.1024 -0.014)
OKLCH	oklch(70.31% 0.103 187.8)
XYZ	xyz(25.7829, 36.6700, 44.2394)
Luminance	0.3667 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B4AB #B44049

analogous

#40B471 #40B4AB #4083B4

triadic

#40B4AB #AB40B4 #B4AB40

tetradic

#40B4AB #7140B4 #B44049 #83B440

square

#40B4AB #7140B4 #B44049 #83B440

split-complementary

#40B4AB #B44083 #B47140

monochromatic

#205A55 #308780 #40B4AB #68C9C2 #95D9D4

Accessibility & contrast

On white

2.52

#40B4AB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#40B4AB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4AB

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B4AB	#FFFFFF	#000000	##000000
##40B4AB	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABABAB

Deuteranopia (green-blind)

#999EAC

Tritanopia (blue-blind)

#00B8B1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b4ab;
/* rgb */ color: rgb(64, 180, 171);
/* oklch */ color: oklch(70.3% 0.103 187.8);

Tailwind

colors: {
  custom: {
    50: '#83cbc3',
    500: '#40b4ab',
    950: '#000000',
  },
}

SCSS

$custom: #40b4ab;
$custom-light: #83cbc3;
$custom-dark: #000000;

JSON

{
  "hex": "#40b4ab",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 171
  },
  "hsl": {
    "h": 175.345,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.70313,
    "c": 0.10336,
    "h": 187.8
  },
  "luminance": 0.36673
}

Semantic roles & 50–950 ramp

primary

#40B4AB

secondary

#C58B8F

accent

#515BD7

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B4AB

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

Preview Lab → · Contrast checker → · Palette generator →