#40A3AF#40A3AF

#40A3AF is a light, moderate teal. Relative luminance 0.304; OKLCH L 66.3% C 0.092 H 206.3°. Best body text is #000000 at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#40A3AF
RGB	rgb(64, 163, 175)
HSL	hsl(186, 46%, 47%)
HSV	hsv(186, 63%, 69%)
CMYK	cmyk(63.4%, 6.9%, 0%, 31.4%)
CIE-LAB	lab(61.98, -24.78, -14.75)
CIE-LCH	lch(61.98, 28.84, 210.77°)
OKLab	oklab(66.27% -0.0826 -0.0409)
OKLCH	oklch(66.27% 0.092 206.3)
XYZ	xyz(22.9461, 30.3771, 45.2032)
Luminance	0.3038 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A3AF #AF4C40

analogous

#40AF83 #40A3AF #406CAF

triadic

#40A3AF #AF40A3 #A3AF40

tetradic

#40A3AF #8340AF #AF4C40 #6CAF40

square

#40A3AF #8340AF #AF4C40 #6CAF40

split-complementary

#40A3AF #AF406C #AF8340

monochromatic

#1F5055 #307982 #40A3AF #65BCC7 #92D0D7

Accessibility & contrast

On white

2.97

#40A3AF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.08

#40A3AF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A3AF

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A3AF	#FFFFFF	#000000	##000000
##40A3AF	1.00	2.97	7.08	7.08
#FFFFFF	2.97	1.00	21.00	21.00
#000000	7.08	21.00	1.00	1.00
##000000	7.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#969DB0

Deuteranopia (green-blind)

#8590AF

Tritanopia (blue-blind)

#00AAA6

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #40a3af;
/* rgb */ color: rgb(64, 163, 175);
/* oklch */ color: oklch(66.3% 0.092 206.3);

Tailwind

colors: {
  custom: {
    50: '#82bec6',
    500: '#40a3af',
    950: '#000000',
  },
}

SCSS

$custom: #40a3af;
$custom-light: #82bec6;
$custom-dark: #000000;

JSON

{
  "hex": "#40a3af",
  "rgb": {
    "r": 64,
    "g": 163,
    "b": 175
  },
  "hsl": {
    "h": 186.486,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.66269,
    "c": 0.09219,
    "h": 206.3
  },
  "luminance": 0.3038
}

Semantic roles & 50–950 ramp

primary

#40A3AF

secondary

#C38F88

accent

#6052D6

background

#F8FBFC

surface

#F0F7F8

border

#CBD0D1

text

#0B1213

muted

#7C8182

Preview Lab

Preview with #40A3AF

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

Preview Lab → · Contrast checker → · Palette generator →