#40A4C8#40A4C8

#40A4C8 is a light, moderate cyan. Relative luminance 0.318; OKLCH L 67.5% C 0.105 H 225.6°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#40A4C8
RGB	rgb(64, 164, 200)
HSL	hsl(196, 55%, 52%)
HSV	hsv(196, 68%, 78%)
CMYK	cmyk(68%, 18%, 0%, 21.6%)
CIE-LAB	lab(63.18, -17.52, -26.91)
CIE-LCH	lch(63.18, 32.11, 236.92°)
OKLab	oklab(67.54% -0.0737 -0.0752)
OKLCH	oklch(67.54% 0.105 225.6)
XYZ	xyz(25.8109, 31.8082, 59.4117)
Luminance	0.3181 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4C8 #C86440

analogous

#40C8A8 #40A4C8 #4060C8

triadic

#40A4C8 #C840A4 #A4C840

tetradic

#40A4C8 #A840C8 #C86440 #60C840

square

#40A4C8 #A840C8 #C86440 #60C840

split-complementary

#40A4C8 #C84060 #C8A840

monochromatic

#20596E #2D809D #40A4C8 #70BBD6 #9FD1E3

Accessibility & contrast

On white

2.85

#40A4C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#40A4C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4C8

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4C8	#FFFFFF	#000000	##000000
##40A4C8	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90A1CA

Deuteranopia (green-blind)

#7D93C8

Tritanopia (blue-blind)

#00AFB0

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a4c8;
/* rgb */ color: rgb(64, 164, 200);
/* oklch */ color: oklch(67.5% 0.105 225.6);

Tailwind

colors: {
  custom: {
    50: '#85bfd8',
    500: '#40a4c8',
    950: '#000000',
  },
}

SCSS

$custom: #40a4c8;
$custom-light: #85bfd8;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4c8",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 200
  },
  "hsl": {
    "h": 195.882,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.67537,
    "c": 0.10532,
    "h": 225.6
  },
  "luminance": 0.31811
}

Semantic roles & 50–950 ramp

primary

#40A4C8

secondary

#D0A494

accent

#7149DF

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40A4C8

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

Preview Lab → · Contrast checker → · Palette generator →