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Recognised as Colour

#5B8DFB

  • #5B8DFB
  • Blue
  • Dark
  • Nearest: Dodgerblue

#5B8DFB is a blue with RGB values 91, 141, 251 and HSL 221°, 95%, 67%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#5B8DFB#5B8DFB
HEX#5B8DFB
RGBrgb(91, 141, 251)
RGB (0–1)0.3569, 0.5529, 0.9843
RGB percentages35.7%, 55.3%, 98.4%
HSLhsl(221.3, 95.2%, 67.1%)
HSV / HSBhsv(221.3, 63.7%, 98.4%)
CMYK63.7%, 43.8%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,000,123
CSS custom property--colour: #5B8DFB;

Brightness & contrast

Relative luminance0.28239WCAG 2.x, 0 is black and 1 is white
Perceived brightness146 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.65:1
Contrast with white3.16:1WCAG normal text: Fail
Contrast with black6.65:1WCAG normal text: AA
Greyscale equivalent#8A8A8A
Inverted#A47204

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5899FFno red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#3E8AF9no green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#00A6B8no blue cones; rare, and affects men and women equally; ΔE 61.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.16:1WCAG large text: AA
Contrast with black, large text6.65:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.9Cornflower blue · ΔE 13.3Royal blue · ΔE 16.2Medium purple · ΔE 22.6Slate blue · ΔE 24.1Medium slateblue · ΔE 25.9
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 7.93, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBC95B
Analogous#5BDDFB, #795BFB
Triadic#FB5B8D, #8DFB5B
Split complementary#FB795B, #DDFB5B
Tetradic#FB5BDD, #FBC95B, #5BFB79

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F0F5FF
Lighter +20%#BFD2FD
Lighter +10%#8DB0FC
Darker −10%#296AFA
Darker −20%#064DEA
Darker −30%#053DB8
Darker −40%#032C87
More saturated +25%#578BFF
Less saturated −25%#7095E6

Channel breakdown

R91
G141
B251
Red91 (35.7%)
Green141 (55.3%)
Blue251 (98.4%)
Hue221.25°
Saturation (HSL)95.24%
Lightness67.06%
Dominant channelBlue
Hex per channelR 5B · G 8D · B FB

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Every value on this page was computed from “5b8dfb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.