Recognised as Colour

#40ACD6

#40ACD6
Cyan
Dark
Nearest: Deep skyblue

#40ACD6 is a cyan with RGB values 64, 172, 214 and HSL 197°, 65%, 55%. It is a dark colour, so black text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#40ACD6#40ACD6

HEX#40ACD6

RGBrgb(64, 172, 214)

RGB (0–1)0.251, 0.6745, 0.8392

RGB percentages25.1%, 67.5%, 83.9%

HSLhsl(196.8, 64.7%, 54.5%)

HSV / HSBhsv(196.8, 70.1%, 83.9%)

CMYK70.1%, 19.6%, 0%, 16.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,238,550

CSS custom property--colour: #40ACD6;

Brightness & contrast

Relative luminance0.3545WCAG 2.x, 0 is black and 1 is white

Perceived brightness154.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 8.09:1

Contrast with white2.6:1WCAG normal text: Fail

Contrast with black8.09:1WCAG normal text: AAA

Greyscale equivalent#989898

Inverted#BF5329

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#96A9D8no red cones; affects about 1% of men; ΔE 22.1 from the original

Deuteranopia#819AD5no green cones; the most common form, about 1% of men; ΔE 23.5 from the original

Tritanopia#00B8BAno blue cones; rare, and affects men and women equally; ΔE 26.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.6:1WCAG large text: Fail

Contrast with black, large text8.09:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 14 Light skyblue · ΔE 15.2 Sky blue · ΔE 16 Steel blue · ΔE 19.1 Cadetblue · ΔE 23.4 Light steelblue · ΔE 25.1

Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 13.95, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#D66A40

Analogous#40D6B5, #4061D6

Triadic#D640AC, #ACD640

Split complementary#D64061, #D6B540

Tetradic#B540D6, #D66A40, #61D640

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#E8F5FA

Lighter +30%#BEE3F1

Lighter +20%#94D0E8

Lighter +10%#6ABEDF

Darker −10%#2892BB

Darker −20%#1F7191

Darker −30%#165067

Darker −40%#0D303D

More saturated +25%#23B9F3

Less saturated −25%#5D9FB9

Channel breakdown

R64

G172

B214

Red64 (25.1%)

Green172 (67.5%)

Blue214 (83.9%)

Hue196.8°

Saturation (HSL)64.66%

Lightness54.51%

Dominant channelBlue

Hex per channelR 40 · G AC · B D6

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#40ACD6

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else