#40A6CF#40A6CF

#40A6CF is a light, moderate cyan. Relative luminance 0.329; OKLCH L 68.3% C 0.110 H 228.5°. Best body text is #000000 at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#40A6CF
RGB	rgb(64, 166, 207)
HSL	hsl(197, 60%, 53%)
HSV	hsv(197, 69%, 81%)
CMYK	cmyk(69.1%, 19.8%, 0%, 18.8%)
CIE-LAB	lab(64.05, -16.33, -29.46)
CIE-LCH	lch(64.05, 33.68, 241.00°)
OKLab	oklab(68.32% -0.0731 -0.0825)
OKLCH	oklch(68.32% 0.11 228.5)
XYZ	xyz(27.0085, 32.8644, 63.9394)
Luminance	0.3287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A6CF #CF6940

analogous

#40CFB1 #40A6CF #405ECF

triadic

#40A6CF #CF40A6 #A6CF40

tetradic

#40A6CF #B140CF #CF6940 #5ECF40

square

#40A6CF #B140CF #CF6940 #5ECF40

split-complementary

#40A6CF #CF405E #CFB140

monochromatic

#1E5D77 #2A84A8 #40A6CF #71BDDB #A2D4E8

Accessibility & contrast

On white

2.77

#40A6CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.57

#40A6CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A6CF

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A6CF	#FFFFFF	#000000	##000000
##40A6CF	1.00	2.77	7.57	7.57
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.57	21.00	1.00	1.00
##000000	7.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A3D1

Deuteranopia (green-blind)

#7D95CE

Tritanopia (blue-blind)

#00B2B3

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a6cf;
/* rgb */ color: rgb(64, 166, 207);
/* oklch */ color: oklch(68.3% 0.110 228.5);

Tailwind

colors: {
  custom: {
    50: '#86c0dd',
    500: '#40a6cf',
    950: '#000000',
  },
}

SCSS

$custom: #40a6cf;
$custom-light: #86c0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40a6cf",
  "rgb": {
    "r": 64,
    "g": 166,
    "b": 207
  },
  "hsl": {
    "h": 197.203,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.68321,
    "c": 0.11028,
    "h": 228.5
  },
  "luminance": 0.32867
}

Semantic roles & 50–950 ramp

primary

#40A6CF

secondary

#D4A897

accent

#7245E3

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A6CF

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

Preview Lab → · Contrast checker → · Palette generator →