#40BCDA#40BCDA

#40BCDA is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.0% C 0.114 H 217.4°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#40BCDA
RGB	rgb(64, 188, 218)
HSL	hsl(192, 68%, 55%)
HSV	hsv(192, 71%, 85%)
CMYK	cmyk(70.6%, 13.8%, 0%, 14.5%)
CIE-LAB	lab(70.95, -24.26, -24.91)
CIE-LCH	lch(70.95, 34.77, 225.75°)
OKLab	oklab(73.99% -0.0908 -0.0695)
OKLCH	oklch(73.99% 0.114 217.4)
XYZ	xyz(32.7472, 42.1146, 72.7191)
Luminance	0.4212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BCDA #DA5E40

analogous

#40DAAB #40BCDA #406FDA

triadic

#40BCDA #DA40BC #BCDA40

tetradic

#40BCDA #AB40DA #DA5E40 #6FDA40

square

#40BCDA #AB40DA #DA5E40 #6FDA40

split-complementary

#40BCDA #DA406F #DAAB40

monochromatic

#1A7186 #249CB9 #40BCDA #73CEE4 #A7E0EE

Accessibility & contrast

On white

2.23

#40BCDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#40BCDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BCDA

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BCDA	#FFFFFF	#000000	##000000
##40BCDA	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DC

Deuteranopia (green-blind)

#93A7DA

Tritanopia (blue-blind)

#00C6C5

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40bcda;
/* rgb */ color: rgb(64, 188, 218);
/* oklch */ color: oklch(74.0% 0.114 217.4);

Tailwind

colors: {
  custom: {
    50: '#89d0e5',
    500: '#40bcda',
    950: '#000000',
  },
}

SCSS

$custom: #40bcda;
$custom-light: #89d0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40bcda",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 218
  },
  "hsl": {
    "h": 191.688,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.73987,
    "c": 0.11434,
    "h": 217.4
  },
  "luminance": 0.42118
}

Semantic roles & 50–950 ramp

primary

#40BCDA

secondary

#DBA79B

accent

#5F3DEA

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1415

muted

#7E8284

Preview Lab

Preview with #40BCDA

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

Preview Lab → · Contrast checker → · Palette generator →