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Recognised as Colour

#05ADD5

  • #05ADD5
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#05ADD5 is a cyan with RGB values 5, 173, 213 and HSL 192°, 95%, 43%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#05ADD5#05ADD5
HEX#05ADD5
RGBrgb(5, 173, 213)
RGB (0–1)0.0196, 0.6784, 0.8353
RGB percentages2%, 67.8%, 83.5%
HSLhsl(191.5, 95.4%, 42.7%)
HSV / HSBhsv(191.5, 97.7%, 83.5%)
CMYK97.7%, 18.8%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer372,181
CSS custom property--colour: #05ADD5;

Brightness & contrast

Relative luminance0.34724WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.94:1
Contrast with white2.64:1WCAG normal text: Fail
Contrast with black7.94:1WCAG normal text: AAA
Greyscale equivalent#8C8C8C
Inverted#FA522A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#96A9D7no red cones; affects about 1% of men; ΔE 27.4 from the original
Deuteranopia#7E98D5no green cones; the most common form, about 1% of men; ΔE 29.4 from the original
Tritanopia#00B9BAno blue cones; rare, and affects men and women equally; ΔE 24.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.64:1WCAG large text: Fail
Contrast with black, large text7.94:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 14.8Sky blue · ΔE 18.3Light skyblue · ΔE 18.6Steel blue · ΔE 22.8Cadetblue · ΔE 23.7Dark turquoise · ΔE 26.2
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 14.76, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D52D05
Analogous#05D595, #0545D5
Triadic#D505AD, #ADD505
Split complementary#D50545, #D59505
Tetradic#9505D5, #D52D05, #45D505

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9EDFD
Lighter +30%#77E2FC
Lighter +20%#45D8FB
Lighter +10%#14CDF9
Darker −10%#0485A3
Darker −20%#035C71
Darker −30%#013440
Darker −40%#000B0E
More saturated +25%#00B0DA
Less saturated −25%#209CBA

Channel breakdown

R5
G173
B213
Red5 (2%)
Green173 (67.8%)
Blue213 (83.5%)
Hue191.54°
Saturation (HSL)95.41%
Lightness42.75%
Dominant channelBlue
Hex per channelR 05 · G AD · B D5

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Every value on this page was computed from “05add5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.