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Colour

#000B64

  • #000B64
  • Blue
  • Dark
  • Nearest: Midnight blue

#000B64 is a blue with RGB values 0, 11, 100 and HSL 233°, 100%, 20%. It is a dark colour, so white text on it reaches 17:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000B64#000B64
HEX#000B64
RGBrgb(0, 11, 100)
RGB (0–1)0, 0.0431, 0.3922
RGB percentages0%, 4.3%, 39.2%
HSLhsl(233.4, 100%, 19.6%)
HSV / HSBhsv(233.4, 100%, 39.2%)
CMYK100%, 89%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,916
CSS custom property--colour: #000B64;

Brightness & contrast

Relative luminance0.01159WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.05:1
Contrast with white17.05:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#FFF49B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002166no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#001663no green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#002939no blue cones; rare, and affects men and women equally; ΔE 55.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.05:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.2Navy · ΔE 19.5Indigo · ΔE 20.6Dark slateblue · ΔE 23.8Dark blue · ΔE 24.6Rebecca purple · ΔE 24.7
Nearest named CSS colourMidnight blue (#191970)ΔE 6.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#645900
Analogous#003D64, #270064
Triadic#64000B, #0B6400
Split complementary#642700, #3D6400
Tetradic#64003D, #645900, #006427

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3148FF
Lighter +30%#001CFD
Lighter +20%#0016CA
Lighter +10%#001197
Darker −10%#000531
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000B64
Less saturated −25%#0C1558

Channel breakdown

R0
G11
B100
Red0 (0%)
Green11 (4.3%)
Blue100 (39.2%)
Hue233.4°
Saturation (HSL)100%
Lightness19.61%
Dominant channelBlue
Hex per channelR 00 · G 0B · B 64

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Every value on this page was computed from “000b64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.