#40A9C8#40A9C8

#40A9C8 is a light, moderate cyan. Relative luminance 0.336; OKLCH L 68.7% C 0.105 H 221.1°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#40A9C8
RGB	rgb(64, 169, 200)
HSL	hsl(194, 55%, 52%)
HSV	hsv(194, 68%, 78%)
CMYK	cmyk(68%, 15.5%, 0%, 21.6%)
CIE-LAB	lab(64.67, -20.16, -24.62)
CIE-LCH	lch(64.67, 31.82, 230.69°)
OKLab	oklab(68.73% -0.0788 -0.0687)
OKLCH	oklch(68.73% 0.105 221.1)
XYZ	xyz(26.7234, 33.6331, 59.7158)
Luminance	0.3364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A9C8 #C85F40

analogous

#40C8A3 #40A9C8 #4065C8

triadic

#40A9C8 #C840A9 #A9C840

tetradic

#40A9C8 #A340C8 #C85F40 #65C840

square

#40A9C8 #A340C8 #C85F40 #65C840

split-complementary

#40A9C8 #C84065 #C8A340

monochromatic

#205C6E #2D849D #40A9C8 #70BED6 #9FD4E3

Accessibility & contrast

On white

2.72

#40A9C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#40A9C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A9C8

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A9C8	#FFFFFF	#000000	##000000
##40A9C8	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A5CA

Deuteranopia (green-blind)

#8397C8

Tritanopia (blue-blind)

#00B3B3

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40a9c8;
/* rgb */ color: rgb(64, 169, 200);
/* oklch */ color: oklch(68.7% 0.105 221.1);

Tailwind

colors: {
  custom: {
    50: '#85c2d8',
    500: '#40a9c8',
    950: '#000000',
  },
}

SCSS

$custom: #40a9c8;
$custom-light: #85c2d8;
$custom-dark: #000000;

JSON

{
  "hex": "#40a9c8",
  "rgb": {
    "r": 64,
    "g": 169,
    "b": 200
  },
  "hsl": {
    "h": 193.676,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.68727,
    "c": 0.10454,
    "h": 221.1
  },
  "luminance": 0.33636
}

Semantic roles & 50–950 ramp

primary

#40A9C8

secondary

#D0A294

accent

#6B49DF

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40A9C8

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

Preview Lab → · Contrast checker → · Palette generator →