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Recognised as Colour

#063DB1

  • #063DB1
  • Blue
  • Dark
  • Nearest: Slate blue

#063DB1 is a blue with RGB values 6, 61, 177 and HSL 221°, 93%, 36%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#063DB1#063DB1
HEX#063DB1
RGBrgb(6, 61, 177)
RGB (0–1)0.0235, 0.2392, 0.6941
RGB percentages2.4%, 23.9%, 69.4%
HSLhsl(220.7, 93.4%, 35.9%)
HSV / HSBhsv(220.7, 96.6%, 69.4%)
CMYK96.6%, 65.5%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer409,009
CSS custom property--colour: #063DB1;

Brightness & contrast

Relative luminance0.06551WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.09:1
Contrast with white9.09:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#F9C24E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050B5no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#0041AFno green cones; the most common form, about 1% of men; ΔE 4.5 from the original
Tritanopia#005C71no blue cones; rare, and affects men and women equally; ΔE 66.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.09:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.9Royal blue · ΔE 18Rebecca purple · ΔE 21.4Midnight blue · ΔE 21.7Medium slateblue · ΔE 23.3Navy · ΔE 23.6
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B17A06
Analogous#0692B1, #2506B1
Triadic#B1063D, #3DB106
Split complementary#B12506, #92B106
Tetradic#B10692, #B17A06, #06B125

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88ADFB
Lighter +30%#578BF9
Lighter +20%#2569F8
Lighter +10%#084EE2
Darker −10%#042C80
Darker −20%#031B4E
Darker −30%#010A1D
Darker −40%#000000
More saturated +25%#003BB7
Less saturated −25%#1D459A

Channel breakdown

R6
G61
B177
Red6 (2.4%)
Green61 (23.9%)
Blue177 (69.4%)
Hue220.7°
Saturation (HSL)93.44%
Lightness35.88%
Dominant channelBlue
Hex per channelR 06 · G 3D · B B1

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Every value on this page was computed from “063db1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.