#40B5CA#40B5CA

#40B5CA is a light, moderate teal. Relative luminance 0.384; OKLCH L 71.7% C 0.106 H 211.9°. Best body text is #000000 at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#40B5CA
RGB	rgb(64, 181, 202)
HSL	hsl(189, 57%, 52%)
HSV	hsv(189, 68%, 79%)
CMYK	cmyk(68.3%, 10.4%, 0%, 20.8%)
CIE-LAB	lab(68.31, -25.68, -20.16)
CIE-LCH	lch(68.31, 32.65, 218.14°)
OKLab	oklab(71.68% -0.0902 -0.0561)
OKLCH	oklch(71.68% 0.106 211.9)
XYZ	xyz(29.2944, 38.3987, 61.7335)
Luminance	0.3840 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5CA #CA5540

analogous

#40CA9A #40B5CA #4070CA

triadic

#40B5CA #CA40B5 #B5CA40

tetradic

#40B5CA #9A40CA #CA5540 #70CA40

square

#40B5CA #9A40CA #CA5540 #70CA40

split-complementary

#40B5CA #CA4070 #CA9A40

monochromatic

#1F6470 #2C8FA0 #40B5CA #70C8D7 #A0DAE5

Accessibility & contrast

On white

2.42

#40B5CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.68

#40B5CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5CA

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5CA	#FFFFFF	#000000	##000000
##40B5CA	1.00	2.42	8.68	8.68
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.68	21.00	1.00	1.00
##000000	8.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCB

Deuteranopia (green-blind)

#91A0CA

Tritanopia (blue-blind)

#00BEBB

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #40b5ca;
/* rgb */ color: rgb(64, 181, 202);
/* oklch */ color: oklch(71.7% 0.106 211.9);

Tailwind

colors: {
  custom: {
    50: '#86cbda',
    500: '#40b5ca',
    950: '#000000',
  },
}

SCSS

$custom: #40b5ca;
$custom-light: #86cbda;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5ca",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 202
  },
  "hsl": {
    "h": 189.13,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.71678,
    "c": 0.10618,
    "h": 211.9
  },
  "luminance": 0.38402
}

Semantic roles & 50–950 ramp

primary

#40B5CA

secondary

#D19E95

accent

#5F48E0

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #40B5CA

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

Preview Lab → · Contrast checker → · Palette generator →