#40B1C8#40B1C8

#40B1C8 is a light, moderate cyan. Relative luminance 0.367; OKLCH L 70.6% C 0.105 H 213.9°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#40B1C8
RGB	rgb(64, 177, 200)
HSL	hsl(190, 55%, 52%)
HSV	hsv(190, 68%, 78%)
CMYK	cmyk(68%, 11.5%, 0%, 21.6%)
CIE-LAB	lab(67.05, -24.27, -20.98)
CIE-LCH	lch(67.05, 32.09, 220.84°)
OKLab	oklab(70.64% -0.0869 -0.0584)
OKLCH	oklch(70.64% 0.105 213.9)
XYZ	xyz(28.2574, 36.7012, 60.2272)
Luminance	0.3670 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B1C8 #C85740

analogous

#40C89B #40B1C8 #406DC8

triadic

#40B1C8 #C840B1 #B1C840

tetradic

#40B1C8 #9B40C8 #C85740 #6DC840

square

#40B1C8 #9B40C8 #C85740 #6DC840

split-complementary

#40B1C8 #C8406D #C89B40

monochromatic

#20616E #2D8A9D #40B1C8 #70C4D6 #9FD8E3

Accessibility & contrast

On white

2.52

#40B1C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#40B1C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B1C8

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B1C8	#FFFFFF	#000000	##000000
##40B1C8	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ABC9

Deuteranopia (green-blind)

#8D9DC8

Tritanopia (blue-blind)

#00BAB8

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b1c8;
/* rgb */ color: rgb(64, 177, 200);
/* oklch */ color: oklch(70.6% 0.105 213.9);

Tailwind

colors: {
  custom: {
    50: '#86c8d8',
    500: '#40b1c8',
    950: '#000000',
  },
}

SCSS

$custom: #40b1c8;
$custom-light: #86c8d8;
$custom-dark: #000000;

JSON

{
  "hex": "#40b1c8",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 200
  },
  "hsl": {
    "h": 190.147,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.7064,
    "c": 0.10471,
    "h": 213.9
  },
  "luminance": 0.36704
}

Semantic roles & 50–950 ramp

primary

#40B1C8

secondary

#D09E94

accent

#6249DF

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40B1C8

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

Preview Lab → · Contrast checker → · Palette generator →