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Recognised as Colour

#0C00BB

  • #0C00BB
  • Blue
  • Dark
  • Nearest: Medium blue

#0C00BB is a blue with RGB values 12, 0, 187 and HSL 244°, 100%, 37%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0C00BB#0C00BB
HEX#0C00BB
RGBrgb(12, 0, 187)
RGB (0–1)0.0471, 0, 0.7333
RGB percentages4.7%, 0%, 73.3%
HSLhsl(243.9, 100%, 36.7%)
HSV / HSBhsv(243.9, 100%, 73.3%)
CMYK93.6%, 100%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer786,619
CSS custom property--colour: #0C00BB;

Brightness & contrast

Relative luminance0.03666WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.12:1
Contrast with white12.12:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#F3FF44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003FBFno red cones; affects about 1% of men; ΔE 32.1 from the original
Deuteranopia#002BB8no green cones; the most common form, about 1% of men; ΔE 20.2 from the original
Tritanopia#004C6Cno blue cones; rare, and affects men and women equally; ΔE 93.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.12:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.2Dark blue · ΔE 21.9Blue violet · ΔE 23.2Dark violet · ΔE 26.2Navy · ΔE 27.1Blue · ΔE 29.8
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.23, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AFBB00
Analogous#0051BB, #6A00BB
Triadic#BB0C00, #00BB0C
Split complementary#BB6A00, #51BB00
Tetradic#BB0051, #AFBB00, #00BB6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9088FF
Lighter +30%#6055FF
Lighter +20%#3022FF
Lighter +10%#0F00EE
Darker −10%#090088
Darker −20%#050055
Darker −30%#020022
Darker −40%#000000
More saturated +25%#0C00BB
Less saturated −25%#2017A4

Channel breakdown

R12
G0
B187
Red12 (4.7%)
Green0 (0%)
Blue187 (73.3%)
Hue243.85°
Saturation (HSL)100%
Lightness36.67%
Dominant channelBlue
Hex per channelR 0C · G 00 · B BB

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Every value on this page was computed from “0c00bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.