#40B3A4#40B3A4

#40B3A4 is a light, moderate teal. Relative luminance 0.360; OKLCH L 69.8% C 0.105 H 183.0°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#40B3A4
RGB	rgb(64, 179, 164)
HSL	hsl(172, 47%, 48%)
HSV	hsv(172, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 8.4%, 29.8%)
CIE-LAB	lab(66.53, -35.65, -1.84)
CIE-LCH	lch(66.53, 35.69, 182.96°)
OKLab	oklab(69.84% -0.1045 -0.0055)
OKLCH	oklch(69.84% 0.105 183)
XYZ	xyz(24.9322, 36.0078, 40.7510)
Luminance	0.3601 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B3A4 #B3404F

analogous

#40B36B #40B3A4 #4088B3

triadic

#40B3A4 #A440B3 #B3A440

tetradic

#40B3A4 #6B40B3 #B3404F #88B340

square

#40B3A4 #6B40B3 #B3404F #88B340

split-complementary

#40B3A4 #B34088 #B36B40

monochromatic

#205951 #30867B #40B3A4 #67C9BC #94D9D0

Accessibility & contrast

On white

2.56

#40B3A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#40B3A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3A4

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B3A4	#FFFFFF	#000000	##000000
##40B3A4	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABA9A3

Deuteranopia (green-blind)

#9A9DA5

Tritanopia (blue-blind)

#00B6AE

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b3a4;
/* rgb */ color: rgb(64, 179, 164);
/* oklch */ color: oklch(69.8% 0.105 183.0);

Tailwind

colors: {
  custom: {
    50: '#83cabe',
    500: '#40b3a4',
    950: '#000000',
  },
}

SCSS

$custom: #40b3a4;
$custom-light: #83cabe;
$custom-dark: #000000;

JSON

{
  "hex": "#40b3a4",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 164
  },
  "hsl": {
    "h": 172.174,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.6984,
    "c": 0.10468,
    "h": 183
  },
  "luminance": 0.36011
}

Semantic roles & 50–950 ramp

primary

#40B3A4

secondary

#C48A92

accent

#5162D7

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B3A4

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

Preview Lab → · Contrast checker → · Palette generator →