#40BBBF#40BBBF

#40BBBF is a light, moderate teal. Relative luminance 0.404; OKLCH L 72.7% C 0.106 H 198.2°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#40BBBF
RGB	rgb(64, 187, 191)
HSL	hsl(182, 50%, 50%)
HSV	hsv(182, 66%, 75%)
CMYK	cmyk(66.5%, 2.1%, 0%, 25.1%)
CIE-LAB	lab(69.75, -31.89, -11.96)
CIE-LCH	lch(69.75, 34.06, 200.55°)
OKLab	oklab(72.72% -0.1008 -0.0332)
OKLCH	oklch(72.72% 0.106 198.2)
XYZ	xyz(29.2845, 40.3889, 55.5326)
Luminance	0.4039 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BBBF #BF4440

analogous

#40BF84 #40BBBF #407BBF

triadic

#40BBBF #BF40BB #BBBF40

tetradic

#40BBBF #8440BF #BF4440 #7BBF40

square

#40BBBF #8440BF #BF4440 #7BBF40

split-complementary

#40BBBF #BF407B #BF8440

monochromatic

#216163 #318E91 #40BBBF #6ECBCE #9CDCDE

Accessibility & contrast

On white

2.31

#40BBBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#40BBBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BBBF

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BBBF	#FFFFFF	#000000	##000000
##40BBBF	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB3BF

Deuteranopia (green-blind)

#9BA4C0

Tritanopia (blue-blind)

#00C1BC

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #40bbbf;
/* rgb */ color: rgb(64, 187, 191);
/* oklch */ color: oklch(72.7% 0.106 198.2);

Tailwind

colors: {
  custom: {
    50: '#86d0d2',
    500: '#40bbbf',
    950: '#000000',
  },
}

SCSS

$custom: #40bbbf;
$custom-light: #86d0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#40bbbf",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 191
  },
  "hsl": {
    "h": 181.89,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.72715,
    "c": 0.10616,
    "h": 198.2
  },
  "luminance": 0.40392
}

Semantic roles & 50–950 ramp

primary

#40BBBF

secondary

#CA9391

accent

#534ED9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1414

muted

#7D8282

Preview Lab

Preview with #40BBBF

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

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