#40BCDD#40BCDD

#40BCDD is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.1% C 0.116 H 219.4°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#40BCDD
RGB	rgb(64, 188, 221)
HSL	hsl(193, 70%, 56%)
HSV	hsv(193, 71%, 87%)
CMYK	cmyk(71%, 14.9%, 0%, 13.3%)
CIE-LAB	lab(71.06, -23.32, -26.38)
CIE-LCH	lch(71.06, 35.21, 228.51°)
OKLab	oklab(74.11% -0.0897 -0.0736)
OKLCH	oklch(74.11% 0.116 219.4)
XYZ	xyz(33.1433, 42.2730, 74.8054)
Luminance	0.4228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BCDD #DD6140

analogous

#40DDAF #40BCDD #406DDD

triadic

#40BCDD #DD40BC #BCDD40

tetradic

#40BCDD #AF40DD #DD6140 #6DDD40

square

#40BCDD #AF40DD #DD6140 #6DDD40

split-complementary

#40BCDD #DD406D #DDAF40

monochromatic

#19728A #229DBE #40BCDD #74CEE6 #A8E0EF

Accessibility & contrast

On white

2.22

#40BCDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#40BCDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BCDD

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BCDD	#FFFFFF	#000000	##000000
##40BCDD	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DF

Deuteranopia (green-blind)

#92A7DD

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40bcdd;
/* rgb */ color: rgb(64, 188, 221);
/* oklch */ color: oklch(74.1% 0.116 219.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40bcdd",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 221
  },
  "hsl": {
    "h": 192.611,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.7411,
    "c": 0.11602,
    "h": 219.4
  },
  "luminance": 0.42277
}

Semantic roles & 50–950 ramp

primary

#40BCDD

secondary

#DDAA9C

accent

#603BED

background

#F9FCFE

surface

#F1F9FC

border

#CBD2D5

text

#0D1416

muted

#7E8284

Preview Lab

Preview with #40BCDD

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

Preview Lab → · Contrast checker → · Palette generator →