#40A6D4#40A6D4

#40A6D4 is a light, moderate cyan. Relative luminance 0.331; OKLCH L 68.5% C 0.115 H 231.5°. Best body text is #000000 at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#40A6D4
RGB	rgb(64, 166, 212)
HSL	hsl(199, 63%, 54%)
HSV	hsv(199, 70%, 83%)
CMYK	cmyk(69.8%, 21.7%, 0%, 16.9%)
CIE-LAB	lab(64.25, -14.70, -31.92)
CIE-LCH	lch(64.25, 35.14, 245.28°)
OKLab	oklab(68.55% -0.0713 -0.0896)
OKLCH	oklch(68.55% 0.115 231.5)
XYZ	xyz(27.6295, 33.1128, 67.2099)
Luminance	0.3312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A6D4 #D46E40

analogous

#40D4B8 #40A6D4 #405CD4

triadic

#40A6D4 #D440A6 #A6D440

tetradic

#40A6D4 #B840D4 #D46E40 #5CD440

square

#40A6D4 #B840D4 #D46E40 #5CD440

split-complementary

#40A6D4 #D4405C #D4B840

monochromatic

#1C5F7D #2785AF #40A6D4 #72BDDF #A4D5EA

Accessibility & contrast

On white

2.75

#40A6D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.62

#40A6D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A6D4

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A6D4	#FFFFFF	#000000	##000000
##40A6D4	1.00	2.75	7.62	7.62
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.62	21.00	1.00	1.00
##000000	7.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA4D6

Deuteranopia (green-blind)

#7B95D3

Tritanopia (blue-blind)

#00B3B5

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40a6d4;
/* rgb */ color: rgb(64, 166, 212);
/* oklch */ color: oklch(68.5% 0.115 231.5);

Tailwind

colors: {
  custom: {
    50: '#86c0e1',
    500: '#40a6d4',
    950: '#000000',
  },
}

SCSS

$custom: #40a6d4;
$custom-light: #86c0e1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a6d4",
  "rgb": {
    "r": 64,
    "g": 166,
    "b": 212
  },
  "hsl": {
    "h": 198.649,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.68548,
    "c": 0.11455,
    "h": 231.5
  },
  "luminance": 0.33116
}

Semantic roles & 50–950 ramp

primary

#40A6D4

secondary

#D7AC98

accent

#7542E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40A6D4

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

Preview Lab → · Contrast checker → · Palette generator →