#40B9D0#40B9D0

#40B9D0 is a light, moderate teal. Relative luminance 0.403; OKLCH L 72.9% C 0.109 H 212.9°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#40B9D0
RGB	rgb(64, 185, 208)
HSL	hsl(190, 61%, 53%)
HSV	hsv(190, 69%, 82%)
CMYK	cmyk(69.2%, 11.1%, 0%, 18.4%)
CIE-LAB	lab(69.71, -25.85, -21.33)
CIE-LCH	lch(69.71, 33.51, 219.54°)
OKLab	oklab(72.87% -0.0918 -0.0594)
OKLCH	oklch(72.87% 0.109 212.9)
XYZ	xyz(30.8437, 40.3385, 65.8228)
Luminance	0.4034 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B9D0 #D05740

analogous

#40D09F #40B9D0 #4071D0

triadic

#40B9D0 #D040B9 #B9D040

tetradic

#40B9D0 #9F40D0 #D05740 #71D040

square

#40B9D0 #9F40D0 #D05740 #71D040

split-complementary

#40B9D0 #D04071 #D09F40

monochromatic

#1E6A78 #2A95A9 #40B9D0 #71CBDC #A2DDE8

Accessibility & contrast

On white

2.32

#40B9D0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#40B9D0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9D0

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B9D0	#FFFFFF	#000000	##000000
##40B9D0	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3D1

Deuteranopia (green-blind)

#93A4D0

Tritanopia (blue-blind)

#00C2C0

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #40b9d0;
/* rgb */ color: rgb(64, 185, 208);
/* oklch */ color: oklch(72.9% 0.109 212.9);

Tailwind

colors: {
  custom: {
    50: '#87cede',
    500: '#40b9d0',
    950: '#000000',
  },
}

SCSS

$custom: #40b9d0;
$custom-light: #87cede;
$custom-dark: #000000;

JSON

{
  "hex": "#40b9d0",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 208
  },
  "hsl": {
    "h": 189.583,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.72872,
    "c": 0.10931,
    "h": 212.9
  },
  "luminance": 0.40342
}

Semantic roles & 50–950 ramp

primary

#40B9D0

secondary

#D5A197

accent

#5E44E4

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B9D0

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

Preview Lab → · Contrast checker → · Palette generator →