#40B2D5#40B2D5

#40B2D5 is a light, moderate cyan. Relative luminance 0.377; OKLCH L 71.4% C 0.112 H 222.3°. Best body text is #000000 at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#40B2D5
RGB	rgb(64, 178, 213)
HSL	hsl(194, 64%, 54%)
HSV	hsv(194, 70%, 84%)
CMYK	cmyk(70%, 16.4%, 0%, 16.5%)
CIE-LAB	lab(67.82, -20.72, -26.97)
CIE-LCH	lch(67.82, 34.01, 232.46°)
OKLab	oklab(71.41% -0.0829 -0.0753)
OKLCH	oklch(71.41% 0.112 222.3)
XYZ	xyz(30.0401, 37.7315, 68.6376)
Luminance	0.3774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B2D5 #D56340

analogous

#40D5AE #40B2D5 #4068D5

triadic

#40B2D5 #D540B2 #B2D540

tetradic

#40B2D5 #AE40D5 #D56340 #68D540

square

#40B2D5 #AE40D5 #D56340 #68D540

split-complementary

#40B2D5 #D54068 #D5AE40

monochromatic

#1C687F #2790B1 #40B2D5 #72C6E0 #A4DAEB

Accessibility & contrast

On white

2.46

#40B2D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.55

#40B2D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B2D5

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B2D5	#FFFFFF	#000000	##000000
##40B2D5	1.00	2.46	8.55	8.55
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.55	21.00	1.00	1.00
##000000	8.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EAED7

Deuteranopia (green-blind)

#899FD5

Tritanopia (blue-blind)

#00BDBD

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b2d5;
/* rgb */ color: rgb(64, 178, 213);
/* oklch */ color: oklch(71.4% 0.112 222.3);

Tailwind

colors: {
  custom: {
    50: '#87c9e2',
    500: '#40b2d5',
    950: '#000000',
  },
}

SCSS

$custom: #40b2d5;
$custom-light: #87c9e2;
$custom-dark: #000000;

JSON

{
  "hex": "#40b2d5",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 213
  },
  "hsl": {
    "h": 194.094,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.71415,
    "c": 0.112,
    "h": 222.3
  },
  "luminance": 0.37735
}

Semantic roles & 50–950 ramp

primary

#40B2D5

secondary

#D8A899

accent

#6841E7

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B2D5

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

Preview Lab → · Contrast checker → · Palette generator →