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Colour

#000B5B

  • #000B5B
  • Blue
  • Dark
  • Nearest: Midnight blue

#000B5B is a blue with RGB values 0, 11, 91 and HSL 233°, 100%, 18%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000B5B#000B5B
HEX#000B5B
RGBrgb(0, 11, 91)
RGB (0–1)0, 0.0431, 0.3569
RGB percentages0%, 4.3%, 35.7%
HSLhsl(232.7, 100%, 17.8%)
HSV / HSBhsv(232.7, 100%, 35.7%)
CMYK100%, 87.9%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,907
CSS custom property--colour: #000B5B;

Brightness & contrast

Relative luminance0.00995WCAG 2.x, 0 is black and 1 is white
Perceived brightness31.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.52:1
Contrast with white17.52:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#FFF4A4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001E5Dno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#00145Ano green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#002534no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.52:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.4Dark slateblue · ΔE 22.9Navy · ΔE 24.6Indigo · ΔE 24.7Rebecca purple · ΔE 26.9Dark blue · ΔE 29.8
Nearest named CSS colourMidnight blue (#191970)ΔE 7.39, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5B5000
Analogous#00385B, #23005B
Triadic#5B000B, #0B5B00
Split complementary#5B2300, #385B00
Tetradic#5B0038, #5B5000, #005B23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2842FF
Lighter +30%#001DF4
Lighter +20%#0017C1
Lighter +10%#00118E
Darker −10%#000528
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000B5B
Less saturated −25%#0B1450

Channel breakdown

R0
G11
B91
Red0 (0%)
Green11 (4.3%)
Blue91 (35.7%)
Hue232.75°
Saturation (HSL)100%
Lightness17.84%
Dominant channelBlue
Hex per channelR 00 · G 0B · B 5B

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Every value on this page was computed from “000b5b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.