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Recognised as Colour

#59B1F9

  • #59B1F9
  • Blue
  • Dark
  • Nearest: Deep skyblue

#59B1F9 is a blue with RGB values 89, 177, 249 and HSL 207°, 93%, 66%. 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

#59B1F9#59B1F9
HEX#59B1F9
RGBrgb(89, 177, 249)
RGB (0–1)0.349, 0.6941, 0.9765
RGB percentages34.9%, 69.4%, 97.6%
HSLhsl(207, 93%, 66.3%)
HSV / HSBhsv(207, 64.3%, 97.6%)
CMYK64.3%, 28.9%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,878,265
CSS custom property--colour: #59B1F9;

Brightness & contrast

Relative luminance0.40408WCAG 2.x, 0 is black and 1 is white
Perceived brightness166.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.08:1
Contrast with white2.31:1WCAG normal text: Fail
Contrast with black9.08:1WCAG normal text: AAA
Greyscale equivalent#A3A3A3
Inverted#A64E06

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#91B3FCno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#7BA3F8no green cones; the most common form, about 1% of men; ΔE 14.7 from the original
Tritanopia#00C2CAno blue cones; rare, and affects men and women equally; ΔE 42.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.31:1WCAG large text: Fail
Contrast with black, large text9.08:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 13.2Cornflower blue · ΔE 17.1Light skyblue · ΔE 19Steel blue · ΔE 20.7Sky blue · ΔE 26.2Dodgerblue · ΔE 26.8
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 13.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9A159
Analogous#59F9F1, #5961F9
Triadic#F959B1, #B1F959
Split complementary#F95961, #F9F159
Tetradic#F159F9, #F9A159, #61F959

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDF6FE
Lighter +20%#BBDFFD
Lighter +10%#8AC8FB
Darker −10%#289AF7
Darker −20%#0881E4
Darker −30%#0665B3
Darker −40%#054981
More saturated +25%#53B2FF
Less saturated −25%#6EAFE3

Channel breakdown

R89
G177
B249
Red89 (34.9%)
Green177 (69.4%)
Blue249 (97.6%)
Hue207°
Saturation (HSL)93.02%
Lightness66.27%
Dominant channelBlue
Hex per channelR 59 · G B1 · B F9

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Every value on this page was computed from “59b1f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.