#40A9C2#40A9C2

#40A9C2 is a light, moderate cyan. Relative luminance 0.334; OKLCH L 68.5% C 0.101 H 216.6°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#40A9C2
RGB	rgb(64, 169, 194)
HSL	hsl(192, 52%, 51%)
HSV	hsv(192, 67%, 76%)
CMYK	cmyk(67%, 12.9%, 0%, 23.9%)
CIE-LAB	lab(64.45, -22.04, -21.62)
CIE-LCH	lch(64.45, 30.88, 224.45°)
OKLab	oklab(68.48% -0.0811 -0.0602)
OKLCH	oklch(68.48% 0.101 216.6)
XYZ	xyz(26.0359, 33.3581, 56.0951)
Luminance	0.3336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A9C2 #C25940

analogous

#40C29A #40A9C2 #4068C2

triadic

#40A9C2 #C240A9 #A9C240

tetradic

#40A9C2 #9A40C2 #C25940 #68C240

square

#40A9C2 #9A40C2 #C25940 #68C240

split-complementary

#40A9C2 #C24068 #C29A40

monochromatic

#215967 #308295 #40A9C2 #6EBED1 #9DD3E0

Accessibility & contrast

On white

2.74

#40A9C2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#40A9C2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A9C2

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A9C2	#FFFFFF	#000000	##000000
##40A9C2	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A4C3

Deuteranopia (green-blind)

#8696C2

Tritanopia (blue-blind)

#00B2B1

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40a9c2;
/* rgb */ color: rgb(64, 169, 194);
/* oklch */ color: oklch(68.5% 0.101 216.6);

Tailwind

colors: {
  custom: {
    50: '#84c2d4',
    500: '#40a9c2',
    950: '#000000',
  },
}

SCSS

$custom: #40a9c2;
$custom-light: #84c2d4;
$custom-dark: #000000;

JSON

{
  "hex": "#40a9c2",
  "rgb": {
    "r": 64,
    "g": 169,
    "b": 194
  },
  "hsl": {
    "h": 191.538,
    "s": 51.587,
    "l": 50.588
  },
  "oklch": {
    "l": 0.68477,
    "c": 0.10103,
    "h": 216.6
  },
  "luminance": 0.33361
}

Semantic roles & 50–950 ramp

primary

#40A9C2

secondary

#CC9D92

accent

#684DDB

background

#F8FBFD

surface

#F0F7FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40A9C2

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

Preview Lab → · Contrast checker → · Palette generator →