#40B3A8#40B3A8

#40B3A8 is a light, moderate teal. Relative luminance 0.362; OKLCH L 70.0% C 0.103 H 186.2°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#40B3A8
RGB	rgb(64, 179, 168)
HSL	hsl(174, 47%, 48%)
HSV	hsv(174, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 6.1%, 29.8%)
CIE-LAB	lab(66.64, -34.57, -3.89)
CIE-LCH	lch(66.64, 34.78, 186.43°)
OKLab	oklab(69.97% -0.1027 -0.0111)
OKLCH	oklch(69.97% 0.103 186.2)
XYZ	xyz(25.2991, 36.1546, 42.6834)
Luminance	0.3616 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B3A8 #B3404B

analogous

#40B36F #40B3A8 #4084B3

triadic

#40B3A8 #A840B3 #B3A840

tetradic

#40B3A8 #6F40B3 #B3404B #84B340

square

#40B3A8 #6F40B3 #B3404B #84B340

split-complementary

#40B3A8 #B34084 #B36F40

monochromatic

#205953 #30867E #40B3A8 #67C9BF #94D9D2

Accessibility & contrast

On white

2.55

#40B3A8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#40B3A8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3A8

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B3A8	#FFFFFF	#000000	##000000
##40B3A8	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAA9A8

Deuteranopia (green-blind)

#999DA9

Tritanopia (blue-blind)

#00B7AF

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b3a8;
/* rgb */ color: rgb(64, 179, 168);
/* oklch */ color: oklch(70.0% 0.103 186.2);

Tailwind

colors: {
  custom: {
    50: '#83cac1',
    500: '#40b3a8',
    950: '#000000',
  },
}

SCSS

$custom: #40b3a8;
$custom-light: #83cac1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b3a8",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 168
  },
  "hsl": {
    "h": 174.261,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.69968,
    "c": 0.1033,
    "h": 186.2
  },
  "luminance": 0.36157
}

Semantic roles & 50–950 ramp

primary

#40B3A8

secondary

#C48A90

accent

#515ED7

background

#F8FCFB

surface

#F0F8F7

border

#CBD1D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B3A8

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

Preview Lab → · Contrast checker → · Palette generator →