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Recognised as Colour

#05509E

  • #05509E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#05509E is a blue with RGB values 5, 80, 158 and HSL 211°, 94%, 32%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#05509E#05509E
HEX#05509E
RGBrgb(5, 80, 158)
RGB (0–1)0.0196, 0.3137, 0.6196
RGB percentages2%, 31.4%, 62%
HSLhsl(210.6, 93.9%, 32%)
HSV / HSBhsv(210.6, 96.8%, 62%)
CMYK96.8%, 49.4%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer348,318
CSS custom property--colour: #05509E;

Brightness & contrast

Relative luminance0.08238WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.93:1
Contrast with white7.93:1WCAG normal text: AAA
Contrast with black2.65:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#FAAF61

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2058A1no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#004B9Cno green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#00636Fno blue cones; rare, and affects men and women equally; ΔE 46.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.93:1WCAG large text: AAA
Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.4Royal blue · ΔE 26.6Cornflower blue · ΔE 27.6Midnight blue · ΔE 27.8Steel blue · ΔE 28.4Slate blue · ΔE 28.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E5305
Analogous#059C9E, #07059E
Triadic#9E0550, #509E05
Split complementary#9E0705, #9C9E05
Tetradic#9E059C, #9E5305, #059E07

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#74B6FB
Lighter +30%#439CF9
Lighter +20%#1282F7
Lighter +10%#0769CF
Darker −10%#03376D
Darker −20%#021E3B
Darker −30%#00050A
Darker −40%#000000
More saturated +25%#0050A3
Less saturated −25%#19508A

Channel breakdown

R5
G80
B158
Red5 (2%)
Green80 (31.4%)
Blue158 (62%)
Hue210.59°
Saturation (HSL)93.87%
Lightness31.96%
Dominant channelBlue
Hex per channelR 05 · G 50 · B 9E

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Every value on this page was computed from “05509e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.