#40B3D2#40B3D2

#40B3D2 is a light, moderate cyan. Relative luminance 0.380; OKLCH L 71.5% C 0.110 H 219.4°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#40B3D2
RGB	rgb(64, 179, 210)
HSL	hsl(193, 62%, 54%)
HSV	hsv(193, 70%, 82%)
CMYK	cmyk(69.5%, 14.8%, 0%, 17.6%)
CIE-LAB	lab(68.01, -22.18, -25.03)
CIE-LCH	lch(68.01, 33.45, 228.46°)
OKLab	oklab(71.53% -0.085 -0.0699)
OKLCH	oklch(71.53% 0.11 219.4)
XYZ	xyz(29.8625, 37.9799, 66.7173)
Luminance	0.3798 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B3D2 #D25F40

analogous

#40D2A8 #40B3D2 #406AD2

triadic

#40B3D2 #D240B3 #B3D240

tetradic

#40B3D2 #A840D2 #D25F40 #6AD240

square

#40B3D2 #A840D2 #D25F40 #6AD240

split-complementary

#40B3D2 #D2406A #D2A840

monochromatic

#1D677B #2990AC #40B3D2 #72C7DE #A3DAE9

Accessibility & contrast

On white

2.44

#40B3D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#40B3D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3D2

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B3D2	#FFFFFF	#000000	##000000
##40B3D2	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0AED4

Deuteranopia (green-blind)

#8B9FD2

Tritanopia (blue-blind)

#00BDBD

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b3d2;
/* rgb */ color: rgb(64, 179, 210);
/* oklch */ color: oklch(71.5% 0.110 219.4);

Tailwind

colors: {
  custom: {
    50: '#87cadf',
    500: '#40b3d2',
    950: '#000000',
  },
}

SCSS

$custom: #40b3d2;
$custom-light: #87cadf;
$custom-dark: #000000;

JSON

{
  "hex": "#40b3d2",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 210
  },
  "hsl": {
    "h": 192.74,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.71526,
    "c": 0.11003,
    "h": 219.4
  },
  "luminance": 0.37983
}

Semantic roles & 50–950 ramp

primary

#40B3D2

secondary

#D6A598

accent

#6543E5

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B3D2

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

Preview Lab → · Contrast checker → · Palette generator →