#40B0BF#40B0BF

#40B0BF is a light, moderate teal. Relative luminance 0.359; OKLCH L 70.0% C 0.101 H 207.7°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#40B0BF
RGB	rgb(64, 176, 191)
HSL	hsl(187, 50%, 50%)
HSV	hsv(187, 66%, 75%)
CMYK	cmyk(66.5%, 7.9%, 0%, 25.1%)
CIE-LAB	lab(66.44, -26.51, -16.93)
CIE-LCH	lch(66.44, 31.46, 212.56°)
OKLab	oklab(70.05% -0.0896 -0.047)
OKLCH	oklch(70.05% 0.101 207.7)
XYZ	xyz(27.0397, 35.8992, 54.7843)
Luminance	0.3590 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B0BF #BF4F40

analogous

#40BF8F #40B0BF #4070BF

triadic

#40B0BF #BF40B0 #B0BF40

tetradic

#40B0BF #8F40BF #BF4F40 #70BF40

square

#40B0BF #8F40BF #BF4F40 #70BF40

split-complementary

#40B0BF #BF4070 #BF8F40

monochromatic

#215C63 #318691 #40B0BF #6EC3CE #9CD6DE

Accessibility & contrast

On white

2.57

#40B0BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#40B0BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0BF

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B0BF	#FFFFFF	#000000	##000000
##40B0BF	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1A9C0

Deuteranopia (green-blind)

#8F9CBF

Tritanopia (blue-blind)

#00B8B4

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b0bf;
/* rgb */ color: rgb(64, 176, 191);
/* oklch */ color: oklch(70.0% 0.101 207.7);

Tailwind

colors: {
  custom: {
    50: '#85c8d2',
    500: '#40b0bf',
    950: '#000000',
  },
}

SCSS

$custom: #40b0bf;
$custom-light: #85c8d2;
$custom-dark: #000000;

JSON

{
  "hex": "#40b0bf",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 191
  },
  "hsl": {
    "h": 187.087,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.70047,
    "c": 0.10115,
    "h": 207.7
  },
  "luminance": 0.35902
}

Semantic roles & 50–950 ramp

primary

#40B0BF

secondary

#CA9891

accent

#5F4ED9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B0BF

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

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