#40A188#40A188

#40A188 is a light, moderate teal. Relative luminance 0.284; OKLCH L 64.5% C 0.099 H 173.2°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#40A188
RGB	rgb(64, 161, 136)
HSL	hsl(165, 43%, 44%)
HSV	hsv(165, 60%, 63%)
CMYK	cmyk(60.2%, 0%, 15.5%, 36.9%)
CIE-LAB	lab(60.21, -34.59, 4.60)
CIE-LCH	lch(60.21, 34.90, 172.43°)
OKLab	oklab(64.45% -0.0981 0.0116)
OKLCH	oklch(64.45% 0.099 173.2)
XYZ	xyz(19.3011, 28.3554, 27.7437)
Luminance	0.2836 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A188 #A14059

analogous

#40A158 #40A188 #408AA1

triadic

#40A188 #8840A1 #A18840

tetradic

#40A188 #5840A1 #A14059 #8AA140

square

#40A188 #5840A1 #A14059 #8AA140

split-complementary

#40A188 #A1408A #A15840

monochromatic

#1D493E #2F7563 #40A188 #5FBFA6 #8BD1BF

Accessibility & contrast

On white

3.15

#40A188 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#40A188 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A188

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A188	#FFFFFF	#000000	##000000
##40A188	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C9787

Deuteranopia (green-blind)

#8E8D8A

Tritanopia (blue-blind)

#00A39A

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #40a188;
/* rgb */ color: rgb(64, 161, 136);
/* oklch */ color: oklch(64.5% 0.099 173.2);

Tailwind

colors: {
  custom: {
    50: '#7fbdaa',
    500: '#40a188',
    950: '#000000',
  },
}

SCSS

$custom: #40a188;
$custom-light: #7fbdaa;
$custom-dark: #000000;

JSON

{
  "hex": "#40a188",
  "rgb": {
    "r": 64,
    "g": 161,
    "b": 136
  },
  "hsl": {
    "h": 164.536,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.64453,
    "c": 0.09876,
    "h": 173.2
  },
  "luminance": 0.28357
}

Semantic roles & 50–950 ramp

primary

#40A188

secondary

#BC8190

accent

#5575D3

background

#F8FBFA

surface

#EFF6F4

border

#CAD0CE

text

#0B1210

muted

#7C817F

Preview Lab

Preview with #40A188

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

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