#40B4CB#40B4CB

#40B4CB is a light, moderate teal. Relative luminance 0.380; OKLCH L 71.5% C 0.106 H 213.5°. Best body text is #000000 at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#40B4CB
RGB	rgb(64, 180, 203)
HSL	hsl(190, 57%, 52%)
HSV	hsv(190, 68%, 80%)
CMYK	cmyk(68.5%, 11.3%, 0%, 20.4%)
CIE-LAB	lab(68.05, -24.87, -21.11)
CIE-LCH	lch(68.05, 32.62, 220.33°)
OKLab	oklab(71.48% -0.0888 -0.0587)
OKLCH	oklch(71.48% 0.106 213.5)
XYZ	xyz(29.2106, 38.0410, 62.2915)
Luminance	0.3804 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B4CB #CB5740

analogous

#40CB9D #40B4CB #406FCB

triadic

#40B4CB #CB40B4 #B4CB40

tetradic

#40B4CB #9D40CB #CB5740 #6FCB40

square

#40B4CB #9D40CB #CB5740 #6FCB40

split-complementary

#40B4CB #CB406F #CB9D40

monochromatic

#1F6472 #2C8EA2 #40B4CB #70C7D8 #A0DAE5

Accessibility & contrast

On white

2.44

#40B4CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.61

#40B4CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4CB

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B4CB	#FFFFFF	#000000	##000000
##40B4CB	1.00	2.44	8.61	8.61
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.61	21.00	1.00	1.00
##000000	8.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AECC

Deuteranopia (green-blind)

#8FA0CB

Tritanopia (blue-blind)

#00BDBB

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b4cb;
/* rgb */ color: rgb(64, 180, 203);
/* oklch */ color: oklch(71.5% 0.106 213.5);

Tailwind

colors: {
  custom: {
    50: '#86cada',
    500: '#40b4cb',
    950: '#000000',
  },
}

SCSS

$custom: #40b4cb;
$custom-light: #86cada;
$custom-dark: #000000;

JSON

{
  "hex": "#40b4cb",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 203
  },
  "hsl": {
    "h": 189.928,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.71479,
    "c": 0.10644,
    "h": 213.5
  },
  "luminance": 0.38044
}

Semantic roles & 50–950 ramp

primary

#40B4CB

secondary

#D29F95

accent

#6147E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40B4CB

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

Preview Lab → · Contrast checker → · Palette generator →