#40B9CA#40B9CA

#40B9CA is a light, moderate teal. Relative luminance 0.401; OKLCH L 72.6% C 0.107 H 208.4°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#40B9CA
RGB	rgb(64, 185, 202)
HSL	hsl(187, 57%, 52%)
HSV	hsv(187, 68%, 79%)
CMYK	cmyk(68.3%, 8.4%, 0%, 20.8%)
CIE-LAB	lab(69.50, -27.67, -18.36)
CIE-LCH	lch(69.50, 33.20, 213.56°)
OKLab	oklab(72.64% -0.0942 -0.051)
OKLCH	oklch(72.64% 0.107 208.4)
XYZ	xyz(30.1194, 40.0488, 62.0085)
Luminance	0.4005 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B9CA #CA5140

analogous

#40CA96 #40B9CA #4074CA

triadic

#40B9CA #CA40B9 #B9CA40

tetradic

#40B9CA #9640CA #CA5140 #74CA40

square

#40B9CA #9640CA #CA5140 #74CA40

split-complementary

#40B9CA #CA4074 #CA9640

monochromatic

#1F6670 #2C92A0 #40B9CA #70CBD7 #A0DCE5

Accessibility & contrast

On white

2.33

#40B9CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.01

#40B9CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9CA

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B9CA	#FFFFFF	#000000	##000000
##40B9CA	1.00	2.33	9.01	9.01
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.01	21.00	1.00	1.00
##000000	9.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B2CB

Deuteranopia (green-blind)

#95A3CA

Tritanopia (blue-blind)

#00C1BE

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #40b9ca;
/* rgb */ color: rgb(64, 185, 202);
/* oklch */ color: oklch(72.6% 0.107 208.4);

Tailwind

colors: {
  custom: {
    50: '#87ceda',
    500: '#40b9ca',
    950: '#000000',
  },
}

SCSS

$custom: #40b9ca;
$custom-light: #87ceda;
$custom-dark: #000000;

JSON

{
  "hex": "#40b9ca",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 202
  },
  "hsl": {
    "h": 187.391,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.72638,
    "c": 0.10711,
    "h": 208.4
  },
  "luminance": 0.40052
}

Semantic roles & 50–950 ramp

primary

#40B9CA

secondary

#D19C95

accent

#5B48E0

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #40B9CA

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

Preview Lab → · Contrast checker → · Palette generator →