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Recognised as Colour

#0133A6

  • #0133A6
  • Blue
  • Dark
  • Nearest: Midnight blue

#0133A6 is a blue with RGB values 1, 51, 166 and HSL 222°, 99%, 33%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0133A6#0133A6
HEX#0133A6
RGBrgb(1, 51, 166)
RGB (0–1)0.0039, 0.2, 0.651
RGB percentages0.4%, 20%, 65.1%
HSLhsl(221.8, 98.8%, 32.7%)
HSV / HSBhsv(221.8, 99.4%, 65.1%)
CMYK99.4%, 69.3%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer78,758
CSS custom property--colour: #0133A6;

Brightness & contrast

Relative luminance0.05127WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.37:1
Contrast with white10.37:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#FECC59

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0047AAno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#0039A4no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#005368no blue cones; rare, and affects men and women equally; ΔE 66.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.37:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 19.1Navy · ΔE 19.5Slate blue · ΔE 19.7Rebecca purple · ΔE 20.6Dark blue · ΔE 20.8Indigo · ΔE 22
Nearest named CSS colourMidnight blue (#191970)ΔE 19.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A67401
Analogous#0186A6, #2101A6
Triadic#A60133, #33A601
Split complementary#A62101, #86A601
Tetradic#A60186, #A67401, #01A621

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#759EFE
Lighter +30%#427BFE
Lighter +20%#0F58FE
Lighter +10%#0143D9
Darker −10%#012373
Darker −20%#001441
Darker −30%#00040E
Darker −40%#000000
More saturated +25%#0033A7
Less saturated −25%#163B91

Channel breakdown

R1
G51
B166
Red1 (0.4%)
Green51 (20%)
Blue166 (65.1%)
Hue221.82°
Saturation (HSL)98.8%
Lightness32.75%
Dominant channelBlue
Hex per channelR 01 · G 33 · B A6

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Every value on this page was computed from “0133a6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.