#40B2D3#40B2D3

#40B2D3 is a light, moderate cyan. Relative luminance 0.376; OKLCH L 71.3% C 0.111 H 220.9°. Best body text is #000000 at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#40B2D3
RGB	rgb(64, 178, 211)
HSL	hsl(193, 63%, 54%)
HSV	hsv(193, 70%, 83%)
CMYK	cmyk(69.7%, 15.6%, 0%, 17.3%)
CIE-LAB	lab(67.75, -21.35, -25.98)
CIE-LCH	lch(67.75, 33.63, 230.59°)
OKLab	oklab(71.33% -0.0836 -0.0725)
OKLCH	oklch(71.33% 0.111 220.9)
XYZ	xyz(29.7878, 37.6305, 67.3089)
Luminance	0.3763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B2D3 #D36140

analogous

#40D3AA #40B2D3 #4069D3

triadic

#40B2D3 #D340B2 #B2D340

tetradic

#40B2D3 #AA40D3 #D36140 #69D340

square

#40B2D3 #AA40D3 #D36140 #69D340

split-complementary

#40B2D3 #D34069 #D3AA40

monochromatic

#1D677C #2890AE #40B2D3 #72C6DE #A3DAEA

Accessibility & contrast

On white

2.46

#40B2D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.53

#40B2D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B2D3

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B2D3	#FFFFFF	#000000	##000000
##40B2D3	1.00	2.46	8.53	8.53
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.53	21.00	1.00	1.00
##000000	8.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EADD5

Deuteranopia (green-blind)

#8A9FD3

Tritanopia (blue-blind)

#00BDBD

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b2d3;
/* rgb */ color: rgb(64, 178, 211);
/* oklch */ color: oklch(71.3% 0.111 220.9);

Tailwind

colors: {
  custom: {
    50: '#87c9e0',
    500: '#40b2d3',
    950: '#000000',
  },
}

SCSS

$custom: #40b2d3;
$custom-light: #87c9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#40b2d3",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 211
  },
  "hsl": {
    "h": 193.469,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.71331,
    "c": 0.11071,
    "h": 220.9
  },
  "luminance": 0.37634
}

Semantic roles & 50–950 ramp

primary

#40B2D3

secondary

#D7A698

accent

#6742E6

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B2D3

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

Preview Lab → · Contrast checker → · Palette generator →