#40A9CF#40A9CF

#40A9CF is a light, moderate cyan. Relative luminance 0.340; OKLCH L 69.0% C 0.109 H 225.9°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#40A9CF
RGB	rgb(64, 169, 207)
HSL	hsl(196, 60%, 53%)
HSV	hsv(196, 69%, 81%)
CMYK	cmyk(69.1%, 18.4%, 0%, 18.8%)
CIE-LAB	lab(64.94, -17.92, -28.10)
CIE-LCH	lch(64.94, 33.33, 237.46°)
OKLab	oklab(69.03% -0.0761 -0.0786)
OKLCH	oklch(69.03% 0.109 225.9)
XYZ	xyz(27.5602, 33.9678, 64.1233)
Luminance	0.3397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A9CF #CF6640

analogous

#40CFAD #40A9CF #4061CF

triadic

#40A9CF #CF40A9 #A9CF40

tetradic

#40A9CF #AD40CF #CF6640 #61CF40

square

#40A9CF #AD40CF #CF6640 #61CF40

split-complementary

#40A9CF #CF4061 #CFAD40

monochromatic

#1E5F77 #2A86A8 #40A9CF #71BFDB #A2D5E8

Accessibility & contrast

On white

2.69

#40A9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#40A9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A9CF

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A9CF	#FFFFFF	#000000	##000000
##40A9CF	1.00	2.69	7.79	7.79
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94A6D1

Deuteranopia (green-blind)

#8197CF

Tritanopia (blue-blind)

#00B4B5

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40a9cf;
/* rgb */ color: rgb(64, 169, 207);
/* oklch */ color: oklch(69.0% 0.109 225.9);

Tailwind

colors: {
  custom: {
    50: '#86c2dd',
    500: '#40a9cf',
    950: '#000000',
  },
}

SCSS

$custom: #40a9cf;
$custom-light: #86c2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#40a9cf",
  "rgb": {
    "r": 64,
    "g": 169,
    "b": 207
  },
  "hsl": {
    "h": 195.944,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.69029,
    "c": 0.10945,
    "h": 225.9
  },
  "luminance": 0.33971
}

Semantic roles & 50–950 ramp

primary

#40A9CF

secondary

#D4A797

accent

#6F45E3

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A9CF

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

Preview Lab → · Contrast checker → · Palette generator →