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Colour

#000063

  • #000063
  • Blue
  • Dark
  • Nearest: Midnight blue

#000063 is a blue with RGB values 0, 0, 99 and HSL 240°, 100%, 19%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000063#000063
HEX#000063
RGBrgb(0, 0, 99)
RGB (0–1)0, 0, 0.3882
RGB percentages0%, 0%, 38.8%
HSLhsl(240, 100%, 19.4%)
HSV / HSBhsv(240, 100%, 38.8%)
CMYK100%, 100%, 0%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer99
CSS custom property--colour: #000063;

Brightness & contrast

Relative luminance0.00901WCAG 2.x, 0 is black and 1 is white
Perceived brightness33.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.79:1
Contrast with white17.79:1WCAG normal text: AAA
Contrast with black1.18:1WCAG normal text: Fail
Greyscale equivalent#070707
Inverted#FFFF9C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D65no red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#001262no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#002537no blue cones; rare, and affects men and women equally; ΔE 59.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.79:1WCAG large text: AAA
Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.8Navy · ΔE 14.3Indigo · ΔE 17.3Dark blue · ΔE 19.5Rebecca purple · ΔE 25.9Dark slateblue · ΔE 28.9
Nearest named CSS colourMidnight blue (#191970)ΔE 11.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#636300
Analogous#003263, #320063
Triadic#630000, #006300
Split complementary#633200, #326300
Tetradic#630032, #636300, #006332

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3030FF
Lighter +30%#0000FC
Lighter +20%#0000C9
Lighter +10%#000096
Darker −10%#000030
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000063
Less saturated −25%#0C0C57

Channel breakdown

R0
G0
B99
Red0 (0%)
Green0 (0%)
Blue99 (38.8%)
Hue240°
Saturation (HSL)100%
Lightness19.41%
Dominant channelBlue
Hex per channelR 00 · G 00 · B 63

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Every value on this page was computed from “hex 000063” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.