#40BCDC#40BCDC

#40BCDC is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.1% C 0.115 H 218.7°. Best body text is #000000 at 9.44:1 contrast (WCAG AA passes).

Color values

HEX	#40BCDC
RGB	rgb(64, 188, 220)
HSL	hsl(192, 69%, 56%)
HSV	hsv(192, 71%, 86%)
CMYK	cmyk(70.9%, 14.5%, 0%, 13.7%)
CIE-LAB	lab(71.02, -23.64, -25.89)
CIE-LCH	lch(71.02, 35.05, 227.60°)
OKLab	oklab(74.07% -0.09 -0.0722)
OKLCH	oklch(74.07% 0.115 218.7)
XYZ	xyz(33.0105, 42.2199, 74.1058)
Luminance	0.4222 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BCDC #DC6040

analogous

#40DCAE #40BCDC #406EDC

triadic

#40BCDC #DC40BC #BCDC40

tetradic

#40BCDC #AE40DC #DC6040 #6EDC40

square

#40BCDC #AE40DC #DC6040 #6EDC40

split-complementary

#40BCDC #DC406E #DCAE40

monochromatic

#197289 #239DBC #40BCDC #74CEE5 #A7E0EF

Accessibility & contrast

On white

2.22

#40BCDC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.44

#40BCDC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BCDC

9.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BCDC	#FFFFFF	#000000	##000000
##40BCDC	1.00	2.22	9.44	9.44
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.44	21.00	1.00	1.00
##000000	9.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DE

Deuteranopia (green-blind)

#92A7DC

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40bcdc;
/* rgb */ color: rgb(64, 188, 220);
/* oklch */ color: oklch(74.1% 0.115 218.7);

Tailwind

colors: {
  custom: {
    50: '#89d0e7',
    500: '#40bcdc',
    950: '#000000',
  },
}

SCSS

$custom: #40bcdc;
$custom-light: #89d0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40bcdc",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 220
  },
  "hsl": {
    "h": 192.308,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74069,
    "c": 0.11544,
    "h": 218.7
  },
  "luminance": 0.42224
}

Semantic roles & 50–950 ramp

primary

#40BCDC

secondary

#DCA99B

accent

#603CEC

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40BCDC

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

Preview Lab → · Contrast checker → · Palette generator →