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Recognised as Colour

#59B9FC

  • #59B9FC
  • Blue
  • Dark
  • Nearest: Deep skyblue

#59B9FC is a blue with RGB values 89, 185, 252 and HSL 205°, 96%, 67%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#59B9FC#59B9FC
HEX#59B9FC
RGBrgb(89, 185, 252)
RGB (0–1)0.349, 0.7255, 0.9882
RGB percentages34.9%, 72.5%, 98.8%
HSLhsl(204.7, 96.4%, 66.9%)
HSV / HSBhsv(204.7, 64.7%, 98.8%)
CMYK64.7%, 26.6%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,880,316
CSS custom property--colour: #59B9FC;

Brightness & contrast

Relative luminance0.4385WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.77:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.77:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#A64603

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9BBAFFno red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#84AAFBno green cones; the most common form, about 1% of men; ΔE 17 from the original
Tritanopia#00CAD0no blue cones; rare, and affects men and women equally; ΔE 40.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.77:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 9.5Light skyblue · ΔE 15.3Cornflower blue · ΔE 21.7Steel blue · ΔE 22.1Sky blue · ΔE 22.4Light steelblue · ΔE 27.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 9.53, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FC9C59
Analogous#59FCEE, #5967FC
Triadic#FC59B9, #B9FC59
Split complementary#FC5967, #FCED59
Tetradic#EE59FC, #FC9C59, #68FC59

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EFF8FF
Lighter +20%#BDE3FE
Lighter +10%#8BCEFD
Darker −10%#27A4FB
Darker −20%#048CEB
Darker −30%#036EB9
Darker −40%#025087
More saturated +25%#56BAFF
Less saturated −25%#6EB5E7

Channel breakdown

R89
G185
B252
Red89 (34.9%)
Green185 (72.5%)
Blue252 (98.8%)
Hue204.66°
Saturation (HSL)96.45%
Lightness66.86%
Dominant channelBlue
Hex per channelR 59 · G B9 · B FC

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Every value on this page was computed from “59b9fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.