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Recognised as Colour

#0B0578

  • #0B0578
  • Blue
  • Dark
  • Nearest: Navy

#0B0578 is a blue with RGB values 11, 5, 120 and HSL 243°, 92%, 25%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#0B0578#0B0578
HEX#0B0578
RGBrgb(11, 5, 120)
RGB (0–1)0.0431, 0.0196, 0.4706
RGB percentages4.3%, 2%, 47.1%
HSLhsl(243.1, 92%, 24.5%)
HSV / HSBhsv(243.1, 95.8%, 47.1%)
CMYK90.8%, 95.8%, 0%, 52.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer722,296
CSS custom property--colour: #0B0578;

Brightness & contrast

Relative luminance0.01536WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.07:1
Contrast with white16.07:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#F4FA87

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00277Bno red cones; affects about 1% of men; ΔE 21.7 from the original
Deuteranopia#001B76no green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#002F44no blue cones; rare, and affects men and women equally; ΔE 65.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.07:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Navy · ΔE 6.4Dark blue · ΔE 11.5Indigo · ΔE 13Midnight blue · ΔE 15.8Rebecca purple · ΔE 23.7Dark slateblue · ΔE 30.6
Nearest named CSS colourNavy (#000080)ΔE 6.42, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#727805
Analogous#053878, #450578
Triadic#780B05, #05780B
Split complementary#784405, #397805
Tetradic#780538, #727805, #057845

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5A51F8
Lighter +30%#2B20F6
Lighter +20%#1409DA
Lighter +10%#0F07A9
Darker −10%#070347
Darker −20%#020116
Darker −30%#000000
Darker −40%#000000
More saturated +25%#07007D
Less saturated −25%#191568

Channel breakdown

R11
G5
B120
Red11 (4.3%)
Green5 (2%)
Blue120 (47.1%)
Hue243.13°
Saturation (HSL)92%
Lightness24.51%
Dominant channelBlue
Hex per channelR 0B · G 05 · B 78

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Every value on this page was computed from “0b0578” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.