#40AB9B#40AB9B

#40AB9B is a light, moderate teal. Relative luminance 0.326; OKLCH L 67.6% C 0.100 H 181.6°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#40AB9B
RGB	rgb(64, 171, 155)
HSL	hsl(171, 46%, 46%)
HSV	hsv(171, 63%, 67%)
CMYK	cmyk(62.6%, 0%, 9.4%, 32.9%)
CIE-LAB	lab(63.82, -34.33, -0.81)
CIE-LCH	lch(63.82, 34.34, 181.35°)
OKLab	oklab(67.56% -0.1001 -0.0027)
OKLCH	oklch(67.56% 0.1 181.6)
XYZ	xyz(22.5909, 32.5800, 36.1020)
Luminance	0.3258 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AB9B #AB4050

analogous

#40AB65 #40AB9B #4085AB

triadic

#40AB9B #9B40AB #AB9B40

tetradic

#40AB9B #6540AB #AB4050 #85AB40

square

#40AB9B #6540AB #AB4050 #85AB40

split-complementary

#40AB9B #AB4085 #AB6540

monochromatic

#1F524A #2F7E73 #40AB9B #63C5B6 #90D5CB

Accessibility & contrast

On white

2.79

#40AB9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#40AB9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AB9B

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AB9B	#FFFFFF	#000000	##000000
##40AB9B	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4A19A

Deuteranopia (green-blind)

#94969C

Tritanopia (blue-blind)

#00AEA6

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40ab9b;
/* rgb */ color: rgb(64, 171, 155);
/* oklch */ color: oklch(67.6% 0.100 181.6);

Tailwind

colors: {
  custom: {
    50: '#81c4b8',
    500: '#40ab9b',
    950: '#000000',
  },
}

SCSS

$custom: #40ab9b;
$custom-light: #81c4b8;
$custom-dark: #000000;

JSON

{
  "hex": "#40ab9b",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 155
  },
  "hsl": {
    "h": 171.028,
    "s": 45.532,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67557,
    "c": 0.10016,
    "h": 181.6
  },
  "luminance": 0.32582
}

Semantic roles & 50–950 ramp

primary

#40AB9B

secondary

#C1868F

accent

#5366D5

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0B1311

muted

#7C8280

Preview Lab

Preview with #40AB9B

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

Preview Lab → · Contrast checker → · Palette generator →