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Recognised as Colour

#56B4EB

  • #56B4EB
  • Blue
  • Dark
  • Nearest: Deep skyblue

#56B4EB is a blue with RGB values 86, 180, 235 and HSL 202°, 79%, 63%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#56B4EB#56B4EB
HEX#56B4EB
RGBrgb(86, 180, 235)
RGB (0–1)0.3373, 0.7059, 0.9216
RGB percentages33.7%, 70.6%, 92.2%
HSLhsl(202.1, 78.8%, 62.9%)
HSV / HSBhsv(202.1, 63.4%, 92.2%)
CMYK63.4%, 23.4%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,682,411
CSS custom property--colour: #56B4EB;

Brightness & contrast

Relative luminance0.40619WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.12:1
Contrast with white2.3:1WCAG normal text: Fail
Contrast with black9.12:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#A94B14

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9AB3EEno red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#86A4EAno green cones; the most common form, about 1% of men; ΔE 19.2 from the original
Tritanopia#00C2C7no blue cones; rare, and affects men and women equally; ΔE 34.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.3:1WCAG large text: Fail
Contrast with black, large text9.12:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9.6Light skyblue · ΔE 12.2Sky blue · ΔE 17.5Steel blue · ΔE 19.2Light steelblue · ΔE 24.4Cornflower blue · ΔE 26
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EB8D56
Analogous#56EBD7, #566AEB
Triadic#EB56B4, #B4EB56
Split complementary#EB566A, #EBD756
Tetradic#D756EB, #EB8D56, #6AEB56

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DFF1FB
Lighter +20%#B1DCF6
Lighter +10%#84C8F0
Darker −10%#28A0E6
Darker −20%#1784C4
Darker −30%#126596
Darker −40%#0C4769
More saturated +25%#42B9FF
Less saturated −25%#6EAED3

Channel breakdown

R86
G180
B235
Red86 (33.7%)
Green180 (70.6%)
Blue235 (92.2%)
Hue202.15°
Saturation (HSL)78.84%
Lightness62.94%
Dominant channelBlue
Hex per channelR 56 · G B4 · B EB

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Every value on this page was computed from “56b4eb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.