#40C0DD#40C0DD

#40C0DD is a light, moderate cyan. Relative luminance 0.440; OKLCH L 75.1% C 0.116 H 216.2°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#40C0DD
RGB	rgb(64, 192, 221)
HSL	hsl(191, 70%, 56%)
HSV	hsv(191, 71%, 87%)
CMYK	cmyk(71%, 13.1%, 0%, 13.3%)
CIE-LAB	lab(72.23, -25.34, -24.58)
CIE-LCH	lch(72.23, 35.30, 224.12°)
OKLab	oklab(75.05% -0.0936 -0.0685)
OKLCH	oklch(75.05% 0.116 216.2)
XYZ	xyz(34.0096, 44.0058, 75.0941)
Luminance	0.4401 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C0DD #DD5D40

analogous

#40DDAB #40C0DD #4071DD

triadic

#40C0DD #DD40C0 #C0DD40

tetradic

#40C0DD #AB40DD #DD5D40 #71DD40

square

#40C0DD #AB40DD #DD5D40 #71DD40

split-complementary

#40C0DD #DD4071 #DDAB40

monochromatic

#19758A #22A1BE #40C0DD #74D1E6 #A8E2EF

Accessibility & contrast

On white

2.14

#40C0DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#40C0DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C0DD

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C0DD	#FFFFFF	#000000	##000000
##40C0DD	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBADF

Deuteranopia (green-blind)

#97AADD

Tritanopia (blue-blind)

#00CAC9

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40c0dd;
/* rgb */ color: rgb(64, 192, 221);
/* oklch */ color: oklch(75.1% 0.116 216.2);

Tailwind

colors: {
  custom: {
    50: '#89d3e7',
    500: '#40c0dd',
    950: '#000000',
  },
}

SCSS

$custom: #40c0dd;
$custom-light: #89d3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40c0dd",
  "rgb": {
    "r": 64,
    "g": 192,
    "b": 221
  },
  "hsl": {
    "h": 191.083,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75054,
    "c": 0.11597,
    "h": 216.2
  },
  "luminance": 0.4401
}

Semantic roles & 50–950 ramp

primary

#40C0DD

secondary

#DDA89C

accent

#5C3BED

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40C0DD

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

Preview Lab → · Contrast checker → · Palette generator →