#40B7CB#40B7CB

#40B7CB is a light, moderate teal. Relative luminance 0.393; OKLCH L 72.2% C 0.107 H 210.9°. Best body text is #000000 at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#40B7CB
RGB	rgb(64, 183, 203)
HSL	hsl(189, 57%, 52%)
HSV	hsv(189, 68%, 80%)
CMYK	cmyk(68.5%, 9.9%, 0%, 20.4%)
CIE-LAB	lab(68.94, -26.37, -19.76)
CIE-LCH	lch(68.94, 32.95, 216.84°)
OKLab	oklab(72.2% -0.0918 -0.0549)
OKLCH	oklch(72.2% 0.107 210.9)
XYZ	xyz(29.8228, 39.2654, 62.4956)
Luminance	0.3927 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B7CB #CB5440

analogous

#40CB9A #40B7CB #4072CB

triadic

#40B7CB #CB40B7 #B7CB40

tetradic

#40B7CB #9A40CB #CB5440 #72CB40

square

#40B7CB #9A40CB #CB5440 #72CB40

split-complementary

#40B7CB #CB4072 #CB9A40

monochromatic

#1F6672 #2C91A2 #40B7CB #70C9D8 #A0DBE5

Accessibility & contrast

On white

2.37

#40B7CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.85

#40B7CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B7CB

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B7CB	#FFFFFF	#000000	##000000
##40B7CB	1.00	2.37	8.85	8.85
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.85	21.00	1.00	1.00
##000000	8.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B1CC

Deuteranopia (green-blind)

#93A2CB

Tritanopia (blue-blind)

#00C0BD

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40b7cb;
/* rgb */ color: rgb(64, 183, 203);
/* oklch */ color: oklch(72.2% 0.107 210.9);

Tailwind

colors: {
  custom: {
    50: '#87cdda',
    500: '#40b7cb',
    950: '#000000',
  },
}

SCSS

$custom: #40b7cb;
$custom-light: #87cdda;
$custom-dark: #000000;

JSON

{
  "hex": "#40b7cb",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 203
  },
  "hsl": {
    "h": 188.633,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.72197,
    "c": 0.10696,
    "h": 210.9
  },
  "luminance": 0.39269
}

Semantic roles & 50–950 ramp

primary

#40B7CB

secondary

#D29E95

accent

#5D47E0

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40B7CB

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

Preview Lab → · Contrast checker → · Palette generator →