#40B0B7#40B0B7

#40B0B7 is a light, moderate teal. Relative luminance 0.356; OKLCH L 69.7% C 0.100 H 201.0°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#40B0B7
RGB	rgb(64, 176, 183)
HSL	hsl(184, 48%, 48%)
HSV	hsv(184, 65%, 72%)
CMYK	cmyk(65%, 3.8%, 0%, 28.2%)
CIE-LAB	lab(66.18, -28.89, -12.89)
CIE-LCH	lch(66.18, 31.63, 204.05°)
OKLab	oklab(69.75% -0.0929 -0.0357)
OKLCH	oklch(69.75% 0.1 201)
XYZ	xyz(26.1832, 35.5567, 50.2738)
Luminance	0.3556 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B0B7 #B74740

analogous

#40B782 #40B0B7 #4074B7

triadic

#40B0B7 #B740B0 #B0B740

tetradic

#40B0B7 #8240B7 #B74740 #74B740

square

#40B0B7 #8240B7 #B74740 #74B740

split-complementary

#40B0B7 #B74074 #B78240

monochromatic

#20595C #30848A #40B0B7 #69C5CB #97D7DB

Accessibility & contrast

On white

2.59

#40B0B7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#40B0B7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0B7

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B0B7	#FFFFFF	#000000	##000000
##40B0B7	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3A9B8

Deuteranopia (green-blind)

#919BB8

Tritanopia (blue-blind)

#00B6B2

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b0b7;
/* rgb */ color: rgb(64, 176, 183);
/* oklch */ color: oklch(69.7% 0.100 201.0);

Tailwind

colors: {
  custom: {
    50: '#84c8cc',
    500: '#40b0b7',
    950: '#000000',
  },
}

SCSS

$custom: #40b0b7;
$custom-light: #84c8cc;
$custom-dark: #000000;

JSON

{
  "hex": "#40b0b7",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 183
  },
  "hsl": {
    "h": 183.529,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69747,
    "c": 0.09957,
    "h": 201
  },
  "luminance": 0.3556
}

Semantic roles & 50–950 ramp

primary

#40B0B7

secondary

#C6908D

accent

#5850D8

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B0B7

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

Preview Lab → · Contrast checker → · Palette generator →