#40ABD3#40ABD3

#40ABD3 is a light, moderate cyan. Relative luminance 0.349; OKLCH L 69.7% C 0.112 H 226.8°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#40ABD3
RGB	rgb(64, 171, 211)
HSL	hsl(196, 63%, 54%)
HSV	hsv(196, 70%, 83%)
CMYK	cmyk(69.7%, 19%, 0%, 17.3%)
CIE-LAB	lab(65.68, -17.69, -29.16)
CIE-LCH	lch(65.68, 34.11, 238.75°)
OKLab	oklab(69.68% -0.0767 -0.0816)
OKLCH	oklch(69.68% 0.112 226.8)
XYZ	xyz(28.4304, 34.9158, 66.8564)
Luminance	0.3492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40ABD3 #D36840

analogous

#40D3B2 #40ABD3 #4062D3

triadic

#40ABD3 #D340AB #ABD340

tetradic

#40ABD3 #B240D3 #D36840 #62D340

square

#40ABD3 #B240D3 #D36840 #62D340

split-complementary

#40ABD3 #D34062 #D3B240

monochromatic

#1D627C #2889AE #40ABD3 #72C1DE #A3D7EA

Accessibility & contrast

On white

2.63

#40ABD3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#40ABD3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABD3

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40ABD3	#FFFFFF	#000000	##000000
##40ABD3	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96A8D5

Deuteranopia (green-blind)

#8199D3

Tritanopia (blue-blind)

#00B7B8

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40abd3;
/* rgb */ color: rgb(64, 171, 211);
/* oklch */ color: oklch(69.7% 0.112 226.8);

Tailwind

colors: {
  custom: {
    50: '#87c4e0',
    500: '#40abd3',
    950: '#000000',
  },
}

SCSS

$custom: #40abd3;
$custom-light: #87c4e0;
$custom-dark: #000000;

JSON

{
  "hex": "#40abd3",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 211
  },
  "hsl": {
    "h": 196.327,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.69677,
    "c": 0.112,
    "h": 226.8
  },
  "luminance": 0.34919
}

Semantic roles & 50–950 ramp

primary

#40ABD3

secondary

#D7A998

accent

#6F42E6

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40ABD3

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

Preview Lab → · Contrast checker → · Palette generator →