#40B0BB#40B0BB

#40B0BB is a light, moderate teal. Relative luminance 0.357; OKLCH L 69.9% C 0.100 H 204.4°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#40B0BB
RGB	rgb(64, 176, 187)
HSL	hsl(185, 49%, 49%)
HSV	hsv(185, 66%, 73%)
CMYK	cmyk(65.8%, 5.9%, 0%, 26.7%)
CIE-LAB	lab(66.31, -27.71, -14.91)
CIE-LCH	lch(66.31, 31.47, 208.29°)
OKLab	oklab(69.9% -0.0912 -0.0414)
OKLCH	oklch(69.9% 0.1 204.4)
XYZ	xyz(26.6055, 35.7256, 52.4976)
Luminance	0.3573 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B0BB #BB4B40

analogous

#40BB89 #40B0BB #4073BB

triadic

#40B0BB #BB40B0 #B0BB40

tetradic

#40B0BB #8940BB #BB4B40 #73BB40

square

#40B0BB #8940BB #BB4B40 #73BB40

split-complementary

#40B0BB #BB4073 #BB8940

monochromatic

#215A60 #30858D #40B0BB #6CC4CD #99D6DC

Accessibility & contrast

On white

2.58

#40B0BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#40B0BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0BB

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B0BB	#FFFFFF	#000000	##000000
##40B0BB	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2A9BC

Deuteranopia (green-blind)

#909BBB

Tritanopia (blue-blind)

#00B7B3

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b0bb;
/* rgb */ color: rgb(64, 176, 187);
/* oklch */ color: oklch(69.9% 0.100 204.4);

Tailwind

colors: {
  custom: {
    50: '#84c8cf',
    500: '#40b0bb',
    950: '#000000',
  },
}

SCSS

$custom: #40b0bb;
$custom-light: #84c8cf;
$custom-dark: #000000;

JSON

{
  "hex": "#40b0bb",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 187
  },
  "hsl": {
    "h": 185.366,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.69895,
    "c": 0.10018,
    "h": 204.4
  },
  "luminance": 0.35729
}

Semantic roles & 50–950 ramp

primary

#40B0BB

secondary

#C8948F

accent

#5C4FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B0BB

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

Preview Lab → · Contrast checker → · Palette generator →