#40A6CB#40A6CB

#40A6CB is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.1% C 0.107 H 225.9°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#40A6CB
RGB	rgb(64, 166, 203)
HSL	hsl(196, 57%, 52%)
HSV	hsv(196, 68%, 80%)
CMYK	cmyk(68.5%, 18.2%, 0%, 20.4%)
CIE-LAB	lab(63.89, -17.62, -27.48)
CIE-LCH	lch(63.89, 32.65, 237.33°)
OKLab	oklab(68.14% -0.0746 -0.0769)
OKLCH	oklch(68.14% 0.107 225.9)
XYZ	xyz(26.5257, 32.6713, 61.3966)
Luminance	0.3267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A6CB #CB6540

analogous

#40CBAA #40A6CB #4061CB

triadic

#40A6CB #CB40A6 #A6CB40

tetradic

#40A6CB #AA40CB #CB6540 #61CB40

square

#40A6CB #AA40CB #CB6540 #61CB40

split-complementary

#40A6CB #CB4061 #CBAA40

monochromatic

#1F5C72 #2C82A2 #40A6CB #70BCD8 #A0D3E5

Accessibility & contrast

On white

2.79

#40A6CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.53

#40A6CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A6CB

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A6CB	#FFFFFF	#000000	##000000
##40A6CB	1.00	2.79	7.53	7.53
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.53	21.00	1.00	1.00
##000000	7.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A3CD

Deuteranopia (green-blind)

#7F95CB

Tritanopia (blue-blind)

#00B1B2

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a6cb;
/* rgb */ color: rgb(64, 166, 203);
/* oklch */ color: oklch(68.1% 0.107 225.9);

Tailwind

colors: {
  custom: {
    50: '#85c0db',
    500: '#40a6cb',
    950: '#000000',
  },
}

SCSS

$custom: #40a6cb;
$custom-light: #85c0db;
$custom-dark: #000000;

JSON

{
  "hex": "#40a6cb",
  "rgb": {
    "r": 64,
    "g": 166,
    "b": 203
  },
  "hsl": {
    "h": 195.971,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.68143,
    "c": 0.10713,
    "h": 225.9
  },
  "luminance": 0.32674
}

Semantic roles & 50–950 ramp

primary

#40A6CB

secondary

#D2A595

accent

#7047E0

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A6CB

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

Preview Lab → · Contrast checker → · Palette generator →