#40B5C8#40B5C8

#40B5C8 is a light, moderate teal. Relative luminance 0.383; OKLCH L 71.6% C 0.105 H 210.3°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#40B5C8
RGB	rgb(64, 181, 200)
HSL	hsl(188, 55%, 52%)
HSV	hsv(188, 68%, 78%)
CMYK	cmyk(68%, 9.5%, 0%, 21.6%)
CIE-LAB	lab(68.24, -26.29, -19.17)
CIE-LCH	lch(68.24, 32.53, 216.10°)
OKLab	oklab(71.6% -0.091 -0.0533)
OKLCH	oklch(71.6% 0.105 210.3)
XYZ	xyz(29.0591, 38.3046, 60.4944)
Luminance	0.3831 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5C8 #C85340

analogous

#40C897 #40B5C8 #4071C8

triadic

#40B5C8 #C840B5 #B5C840

tetradic

#40B5C8 #9740C8 #C85340 #71C840

square

#40B5C8 #9740C8 #C85340 #71C840

split-complementary

#40B5C8 #C84071 #C89740

monochromatic

#20636E #2D8E9D #40B5C8 #70C7D6 #9FDAE3

Accessibility & contrast

On white

2.42

#40B5C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.66

#40B5C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5C8

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5C8	#FFFFFF	#000000	##000000
##40B5C8	1.00	2.42	8.66	8.66
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.66	21.00	1.00	1.00
##000000	8.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5AFC9

Deuteranopia (green-blind)

#91A0C8

Tritanopia (blue-blind)

#00BDBB

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b5c8;
/* rgb */ color: rgb(64, 181, 200);
/* oklch */ color: oklch(71.6% 0.105 210.3);

Tailwind

colors: {
  custom: {
    50: '#86cbd8',
    500: '#40b5c8',
    950: '#000000',
  },
}

SCSS

$custom: #40b5c8;
$custom-light: #86cbd8;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5c8",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 200
  },
  "hsl": {
    "h": 188.382,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.716,
    "c": 0.10543,
    "h": 210.3
  },
  "luminance": 0.38308
}

Semantic roles & 50–950 ramp

primary

#40B5C8

secondary

#D09C94

accent

#5E49DF

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40B5C8

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

Preview Lab → · Contrast checker → · Palette generator →