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Recognised as Colour

#053FB8

  • #053FB8
  • Blue
  • Dark
  • Nearest: Slate blue

#053FB8 is a blue with RGB values 5, 63, 184 and HSL 221°, 95%, 37%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#053FB8#053FB8
HEX#053FB8
RGBrgb(5, 63, 184)
RGB (0–1)0.0196, 0.2471, 0.7216
RGB percentages2%, 24.7%, 72.2%
HSLhsl(220.6, 94.7%, 37.1%)
HSV / HSBhsv(220.6, 97.3%, 72.2%)
CMYK97.3%, 65.8%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer343,992
CSS custom property--colour: #053FB8;

Brightness & contrast

Relative luminance0.07048WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.72:1
Contrast with white8.72:1WCAG normal text: AAA
Contrast with black2.41:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FAC047

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053BCno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#0043B6no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#006076no blue cones; rare, and affects men and women equally; ΔE 69 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.72:1WCAG large text: AAA
Contrast with black, large text2.41:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.9Royal blue · ΔE 17.6Medium slateblue · ΔE 21.8Rebecca purple · ΔE 22.6Navy · ΔE 23.8Midnight blue · ΔE 24.2
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B87E05
Analogous#0598B8, #2405B8
Triadic#B8053F, #3FB805
Split complementary#B82505, #98B805
Tetradic#B80599, #B87E05, #05B825

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DB1FC
Lighter +30%#5B8FFB
Lighter +20%#2A6DF9
Lighter +10%#0650EA
Darker −10%#042E86
Darker −20%#021D55
Darker −30%#010C23
Darker −40%#000000
More saturated +25%#003DBD
Less saturated −25%#1D47A0

Channel breakdown

R5
G63
B184
Red5 (2%)
Green63 (24.7%)
Blue184 (72.2%)
Hue220.56°
Saturation (HSL)94.71%
Lightness37.06%
Dominant channelBlue
Hex per channelR 05 · G 3F · B B8

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Every value on this page was computed from “053fb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.