#40B7D2#40B7D2

#40B7D2 is a light, moderate cyan. Relative luminance 0.396; OKLCH L 72.5% C 0.110 H 216.0°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#40B7D2
RGB	rgb(64, 183, 210)
HSL	hsl(191, 62%, 54%)
HSV	hsv(191, 70%, 82%)
CMYK	cmyk(69.5%, 12.9%, 0%, 17.6%)
CIE-LAB	lab(69.19, -24.22, -23.23)
CIE-LCH	lch(69.19, 33.56, 223.80°)
OKLab	oklab(72.48% -0.089 -0.0647)
OKLCH	oklch(72.48% 0.11 216)
XYZ	xyz(30.6758, 39.6066, 66.9884)
Luminance	0.3961 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B7D2 #D25B40

analogous

#40D2A4 #40B7D2 #406ED2

triadic

#40B7D2 #D240B7 #B7D240

tetradic

#40B7D2 #A440D2 #D25B40 #6ED240

square

#40B7D2 #A440D2 #D25B40 #6ED240

split-complementary

#40B7D2 #D2406E #D2A440

monochromatic

#1D697B #2994AC #40B7D2 #72CADE #A3DCE9

Accessibility & contrast

On white

2.35

#40B7D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#40B7D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B7D2

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B7D2	#FFFFFF	#000000	##000000
##40B7D2	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B1D4

Deuteranopia (green-blind)

#90A2D2

Tritanopia (blue-blind)

#00C1BF

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40b7d2;
/* rgb */ color: rgb(64, 183, 210);
/* oklch */ color: oklch(72.5% 0.110 216.0);

Tailwind

colors: {
  custom: {
    50: '#87ccdf',
    500: '#40b7d2',
    950: '#000000',
  },
}

SCSS

$custom: #40b7d2;
$custom-light: #87ccdf;
$custom-dark: #000000;

JSON

{
  "hex": "#40b7d2",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 210
  },
  "hsl": {
    "h": 191.096,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.72476,
    "c": 0.11004,
    "h": 216
  },
  "luminance": 0.3961
}

Semantic roles & 50–950 ramp

primary

#40B7D2

secondary

#D6A398

accent

#6143E5

background

#F9FCFD

surface

#F1F9FB

border

#CBD2D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40B7D2

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

Preview Lab → · Contrast checker → · Palette generator →