Colour

#009DDD

#009DDD
Cyan
Dark
Nearest: Deep skyblue

#009DDD is a cyan with RGB values 0, 157, 221 and HSL 197°, 100%, 43%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Deep skyblue.

Colour values

#009DDD#009DDD

HEX#009DDD

RGBrgb(0, 157, 221)

RGB (0–1)0, 0.6157, 0.8667

RGB percentages0%, 61.6%, 86.7%

HSLhsl(197.4, 100%, 43.3%)

HSV / HSBhsv(197.4, 100%, 86.7%)

CMYK100%, 29%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer40,413

CSS custom property--colour: #009DDD;

Brightness & contrast

Relative luminance0.29334WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.87:1

Contrast with white3.06:1WCAG normal text: Fail

Contrast with black6.87:1WCAG normal text: AA

Greyscale equivalent#808080

Inverted#FF6222

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D9DE0no red cones; affects about 1% of men; ΔE 18.7 from the original

Deuteranopia#638CDCno green cones; the most common form, about 1% of men; ΔE 20.8 from the original

Tritanopia#00ADB3no blue cones; rare, and affects men and women equally; ΔE 36.4 from the original

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

Contrast with white, large text3.06:1WCAG large text: AA

Contrast with black, large text6.87:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 13.1 Steel blue · ΔE 14.9 Cornflower blue · ΔE 22 Light skyblue · ΔE 23 Sky blue · ΔE 27.7 Dodgerblue · ΔE 30.3

Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 13.08, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#DD4000

Analogous#00DDAE, #002FDD

Triadic#DD009D, #9DDD00

Split complementary#DD002F, #DDAF00

Tetradic#AE00DD, #DD4000, #2FDD00

Tints, shades & saturation

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

Lighter +40%#AAE6FF

Lighter +30%#77D8FF

Lighter +20%#44C9FF

Lighter +10%#11BAFF

Darker −10%#0079AA

Darker −20%#005577

Darker −30%#003044

Darker −40%#000C11

More saturated +25%#009DDD

Less saturated −25%#1C91C1

Channel breakdown

G157

B221

Red0 (0%)

Green157 (61.6%)

Blue221 (86.7%)

Hue197.38°

Saturation (HSL)100%

Lightness43.33%

Dominant channelBlue

Hex per channelR 00 · G 9D · B DD

Keep nerding

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

#009DDD

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

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