#40C0DB#40C0DB

#40C0DB is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.0% C 0.115 H 214.9°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#40C0DB
RGB	rgb(64, 192, 219)
HSL	hsl(190, 68%, 55%)
HSV	hsv(190, 71%, 86%)
CMYK	cmyk(70.8%, 12.3%, 0%, 14.1%)
CIE-LAB	lab(72.16, -25.96, -23.60)
CIE-LCH	lch(72.16, 35.08, 222.27°)
OKLab	oklab(74.97% -0.0943 -0.0658)
OKLCH	oklch(74.97% 0.115 214.9)
XYZ	xyz(33.7448, 43.8998, 73.6992)
Luminance	0.4390 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C0DB #DB5B40

analogous

#40DBA9 #40C0DB #4072DB

triadic

#40C0DB #DB40C0 #C0DB40

tetradic

#40C0DB #A940DB #DB5B40 #72DB40

square

#40C0DB #A940DB #DB5B40 #72DB40

split-complementary

#40C0DB #DB4072 #DBA940

monochromatic

#197487 #23A0BB #40C0DB #73D1E5 #A7E2EE

Accessibility & contrast

On white

2.15

#40C0DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.78

#40C0DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C0DB

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C0DB	#FFFFFF	#000000	##000000
##40C0DB	1.00	2.15	9.78	9.78
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.78	21.00	1.00	1.00
##000000	9.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBADD

Deuteranopia (green-blind)

#97AADB

Tritanopia (blue-blind)

#00CAC8

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40c0db;
/* rgb */ color: rgb(64, 192, 219);
/* oklch */ color: oklch(75.0% 0.115 214.9);

Tailwind

colors: {
  custom: {
    50: '#89d3e6',
    500: '#40c0db',
    950: '#000000',
  },
}

SCSS

$custom: #40c0db;
$custom-light: #89d3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#40c0db",
  "rgb": {
    "r": 64,
    "g": 192,
    "b": 219
  },
  "hsl": {
    "h": 190.452,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74973,
    "c": 0.115,
    "h": 214.9
  },
  "luminance": 0.43904
}

Semantic roles & 50–950 ramp

primary

#40C0DB

secondary

#DCA69B

accent

#5B3DEB

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40C0DB

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

Preview Lab → · Contrast checker → · Palette generator →