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Colour

#0000BC

  • #0000BC
  • Blue
  • Dark
  • Nearest: Medium blue

#0000BC is a blue with RGB values 0, 0, 188 and HSL 240°, 100%, 37%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0000BC#0000BC
HEX#0000BC
RGBrgb(0, 0, 188)
RGB (0–1)0, 0, 0.7373
RGB percentages0%, 0%, 73.7%
HSLhsl(240, 100%, 36.9%)
HSV / HSBhsv(240, 100%, 73.7%)
CMYK100%, 100%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer188
CSS custom property--colour: #0000BC;

Brightness & contrast

Relative luminance0.03631WCAG 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 12.17:1
Contrast with white12.17:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#FFFF43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003FC0no red cones; affects about 1% of men; ΔE 32.1 from the original
Deuteranopia#002BB9no green cones; the most common form, about 1% of men; ΔE 20.3 from the original
Tritanopia#004D6Dno blue cones; rare, and affects men and women equally; ΔE 94.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.17:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.6Dark blue · ΔE 22.5Blue violet · ΔE 23.7Dark violet · ΔE 26.7Navy · ΔE 27.8Blue · ΔE 29.1
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCBC00
Analogous#005EBC, #5E00BC
Triadic#BC0000, #00BC00
Split complementary#BC5E00, #5EBC00
Tetradic#BC005E, #BCBC00, #00BC5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8989FF
Lighter +30%#5656FF
Lighter +20%#2323FF
Lighter +10%#0000EF
Darker −10%#000089
Darker −20%#000056
Darker −30%#000023
Darker −40%#000000
More saturated +25%#0000BC
Less saturated −25%#1818A5

Channel breakdown

R0
G0
B188
Red0 (0%)
Green0 (0%)
Blue188 (73.7%)
Hue240°
Saturation (HSL)100%
Lightness36.86%
Dominant channelBlue
Hex per channelR 00 · G 00 · B BC

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Every value on this page was computed from “0000bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.