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Recognised as Colour

#000B4F

  • #000B4F
  • Blue
  • Dark
  • Nearest: Midnight blue

#000B4F is a blue with RGB values 0, 11, 79 and HSL 232°, 100%, 15%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000B4F#000B4F
HEX#000B4F
RGBrgb(0, 11, 79)
RGB (0–1)0, 0.0431, 0.3098
RGB percentages0%, 4.3%, 31%
HSLhsl(231.6, 100%, 15.5%)
HSV / HSBhsv(231.6, 100%, 31%)
CMYK100%, 86.1%, 0%, 69%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,895
CSS custom property--colour: #000B4F;

Brightness & contrast

Relative luminance0.00804WCAG 2.x, 0 is black and 1 is white
Perceived brightness28 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.09:1
Contrast with white18.09:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#FFF4B0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001A51no red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#00124Eno green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#00202Dno blue cones; rare, and affects men and women equally; ΔE 43.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.09:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.9Dark slateblue · ΔE 23.6Indigo · ΔE 31.1Rebecca purple · ΔE 31.2Navy · ΔE 31.9Dark blue · ΔE 37.1
Nearest named CSS colourMidnight blue (#191970)ΔE 12.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4F4400
Analogous#00334F, #1C004F
Triadic#4F000B, #0B4F00
Split complementary#4F1D00, #324F00
Tetradic#4F0033, #4F4400, #004F1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1C3CFF
Lighter +30%#0020E8
Lighter +20%#0019B5
Lighter +10%#001282
Darker −10%#00041C
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000B4F
Less saturated −25%#0A1245

Channel breakdown

R0
G11
B79
Red0 (0%)
Green11 (4.3%)
Blue79 (31%)
Hue231.65°
Saturation (HSL)100%
Lightness15.49%
Dominant channelBlue
Hex per channelR 00 · G 0B · B 4F

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Every value on this page was computed from “000b4f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.