#40B4BC#40B4BC

#40B4BC is a light, moderate teal. Relative luminance 0.374; OKLCH L 70.9% C 0.102 H 201.7°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#40B4BC
RGB	rgb(64, 180, 188)
HSL	hsl(184, 49%, 49%)
HSV	hsv(184, 66%, 74%)
CMYK	cmyk(66%, 4.3%, 0%, 26.3%)
CIE-LAB	lab(67.55, -29.38, -13.61)
CIE-LCH	lch(67.55, 32.38, 204.85°)
OKLab	oklab(70.91% -0.095 -0.0377)
OKLCH	oklch(70.91% 0.102 201.7)
XYZ	xyz(27.5088, 37.3603, 53.3287)
Luminance	0.3736 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B4BC #BC4840

analogous

#40BC86 #40B4BC #4076BC

triadic

#40B4BC #BC40B4 #B4BC40

tetradic

#40B4BC #8640BC #BC4840 #76BC40

square

#40B4BC #8640BC #BC4840 #76BC40

split-complementary

#40B4BC #BC4076 #BC8640

monochromatic

#215D61 #30888E #40B4BC #6CC7CD #9AD8DD

Accessibility & contrast

On white

2.48

#40B4BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.47

#40B4BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4BC

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B4BC	#FFFFFF	#000000	##000000
##40B4BC	1.00	2.48	8.47	8.47
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.47	21.00	1.00	1.00
##000000	8.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACBD

Deuteranopia (green-blind)

#949FBD

Tritanopia (blue-blind)

#00BBB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b4bc;
/* rgb */ color: rgb(64, 180, 188);
/* oklch */ color: oklch(70.9% 0.102 201.7);

Tailwind

colors: {
  custom: {
    50: '#85cbd0',
    500: '#40b4bc',
    950: '#000000',
  },
}

SCSS

$custom: #40b4bc;
$custom-light: #85cbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#40b4bc",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 188
  },
  "hsl": {
    "h": 183.871,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70905,
    "c": 0.10217,
    "h": 201.7
  },
  "luminance": 0.37363
}

Semantic roles & 50–950 ramp

primary

#40B4BC

secondary

#C9938F

accent

#584FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B4BC

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

Preview Lab → · Contrast checker → · Palette generator →