#40B3B0#40B3B0

#40B3B0 is a light, moderate teal. Relative luminance 0.365; OKLCH L 70.2% C 0.102 H 192.6°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#40B3B0
RGB	rgb(64, 179, 176)
HSL	hsl(178, 47%, 48%)
HSV	hsv(178, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 1.7%, 29.8%)
CIE-LAB	lab(66.87, -32.35, -7.98)
CIE-LCH	lch(66.87, 33.32, 193.85°)
OKLab	oklab(70.24% -0.0991 -0.0222)
OKLCH	oklch(70.24% 0.102 192.6)
XYZ	xyz(26.0674, 36.4619, 46.7299)
Luminance	0.3646 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B3B0 #B34043

analogous

#40B377 #40B3B0 #407CB3

triadic

#40B3B0 #B040B3 #B3B040

tetradic

#40B3B0 #7740B3 #B34043 #7CB340

square

#40B3B0 #7740B3 #B34043 #7CB340

split-complementary

#40B3B0 #B3407C #B37740

monochromatic

#205957 #308684 #40B3B0 #67C9C6 #94D9D7

Accessibility & contrast

On white

2.53

#40B3B0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.29

#40B3B0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3B0

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B3B0	#FFFFFF	#000000	##000000
##40B3B0	1.00	2.53	8.29	8.29
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.29	21.00	1.00	1.00
##000000	8.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8AAB0

Deuteranopia (green-blind)

#979DB1

Tritanopia (blue-blind)

#00B8B2

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b3b0;
/* rgb */ color: rgb(64, 179, 176);
/* oklch */ color: oklch(70.2% 0.102 192.6);

Tailwind

colors: {
  custom: {
    50: '#84cac7',
    500: '#40b3b0',
    950: '#000000',
  },
}

SCSS

$custom: #40b3b0;
$custom-light: #84cac7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b3b0",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 176
  },
  "hsl": {
    "h": 178.435,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.70235,
    "c": 0.10158,
    "h": 192.6
  },
  "luminance": 0.36465
}

Semantic roles & 50–950 ramp

primary

#40B3B0

secondary

#C48A8C

accent

#5154D7

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B3B0

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

Preview Lab → · Contrast checker → · Palette generator →