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Recognised as Colour

#59BDF1

  • #59BDF1
  • Blue
  • Dark
  • Nearest: Deep skyblue

#59BDF1 is a blue with RGB values 89, 189, 241 and HSL 201°, 84%, 65%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#59BDF1#59BDF1
HEX#59BDF1
RGBrgb(89, 189, 241)
RGB (0–1)0.349, 0.7412, 0.9451
RGB percentages34.9%, 74.1%, 94.5%
HSLhsl(200.5, 84.4%, 64.7%)
HSV / HSBhsv(200.5, 63.1%, 94.5%)
CMYK63.1%, 21.6%, 0%, 5.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,881,329
CSS custom property--colour: #59BDF1;

Brightness & contrast

Relative luminance0.4487WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.97:1
Contrast with white2.11:1WCAG normal text: Fail
Contrast with black9.97:1WCAG normal text: AAA
Greyscale equivalent#ABABAB
Inverted#A6420E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A4BBF4no red cones; affects about 1% of men; ΔE 19.7 from the original
Deuteranopia#8FACF0no green cones; the most common form, about 1% of men; ΔE 21 from the original
Tritanopia#00CBCEno blue cones; rare, and affects men and women equally; ΔE 33.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.11:1WCAG large text: Fail
Contrast with black, large text9.97:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 8.9Light skyblue · ΔE 9.6Sky blue · ΔE 14.7Steel blue · ΔE 22.7Light steelblue · ΔE 23.7Light blue · ΔE 25.7
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 8.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F18D59
Analogous#59F1D9, #5971F1
Triadic#F159BD, #BDF159
Split complementary#F15971, #F1D959
Tetradic#D959F1, #F18D59, #71F159

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6F5FD
Lighter +20%#B7E2F9
Lighter +10%#88D0F5
Darker −10%#2AAAED
Darker −20%#1290D2
Darker −30%#0E70A3
Darker −40%#0A5074
More saturated +25%#4BC1FF
Less saturated −25%#6FB6DA

Channel breakdown

R89
G189
B241
Red89 (34.9%)
Green189 (74.1%)
Blue241 (94.5%)
Hue200.53°
Saturation (HSL)84.44%
Lightness64.71%
Dominant channelBlue
Hex per channelR 59 · G BD · B F1

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Every value on this page was computed from “59bdf1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.