#40C5DD#40C5DD

#40C5DD is a light, moderate teal. Relative luminance 0.462; OKLCH L 76.2% C 0.116 H 212.3°. Best body text is #000000 at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#40C5DD
RGB	rgb(64, 197, 221)
HSL	hsl(189, 70%, 56%)
HSV	hsv(189, 71%, 87%)
CMYK	cmyk(71%, 10.9%, 0%, 13.3%)
CIE-LAB	lab(73.70, -27.83, -22.34)
CIE-LCH	lch(73.70, 35.68, 218.76°)
OKLab	oklab(76.24% -0.0984 -0.0622)
OKLCH	oklch(76.24% 0.116 212.3)
XYZ	xyz(35.1262, 46.2388, 75.4663)
Luminance	0.4624 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C5DD #DD5840

analogous

#40DDA6 #40C5DD #4076DD

triadic

#40C5DD #DD40C5 #C5DD40

tetradic

#40C5DD #A640DD #DD5840 #76DD40

square

#40C5DD #A640DD #DD5840 #76DD40

split-complementary

#40C5DD #DD4076 #DDA640

monochromatic

#19798A #22A6BE #40C5DD #74D5E6 #A8E5EF

Accessibility & contrast

On white

2.05

#40C5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.25

#40C5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C5DD

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C5DD	#FFFFFF	#000000	##000000
##40C5DD	1.00	2.05	10.25	10.25
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.25	21.00	1.00	1.00
##000000	10.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2BEDE

Deuteranopia (green-blind)

#9CAEDD

Tritanopia (blue-blind)

#00CFCC

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40c5dd;
/* rgb */ color: rgb(64, 197, 221);
/* oklch */ color: oklch(76.2% 0.116 212.3);

Tailwind

colors: {
  custom: {
    50: '#8ad7e7',
    500: '#40c5dd',
    950: '#000000',
  },
}

SCSS

$custom: #40c5dd;
$custom-light: #8ad7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40c5dd",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 221
  },
  "hsl": {
    "h": 189.172,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76235,
    "c": 0.11643,
    "h": 212.3
  },
  "luminance": 0.46243
}

Semantic roles & 50–950 ramp

primary

#40C5DD

secondary

#DDA69C

accent

#563BED

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #40C5DD

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

Preview Lab → · Contrast checker → · Palette generator →