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Recognised as Colour

#0400BC

  • #0400BC
  • Blue
  • Dark
  • Nearest: Medium blue

#0400BC is a blue with RGB values 4, 0, 188 and HSL 241°, 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

#0400BC#0400BC
HEX#0400BC
RGBrgb(4, 0, 188)
RGB (0–1)0.0157, 0, 0.7373
RGB percentages1.6%, 0%, 73.7%
HSLhsl(241.3, 100%, 36.9%)
HSV / HSBhsv(241.3, 100%, 73.7%)
CMYK97.9%, 100%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer262,332
CSS custom property--colour: #0400BC;

Brightness & contrast

Relative luminance0.03657WCAG 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 12.13:1
Contrast with white12.13:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#FBFF43

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003FC0no red cones; affects about 1% of men; ΔE 32 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 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.13:1WCAG 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 23.5Dark violet · ΔE 26.5Navy · ΔE 27.7Blue · ΔE 29.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 7.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B8BC00
Analogous#005ABC, #6200BC
Triadic#BC0400, #00BC04
Split complementary#BC6200, #5ABC00
Tetradic#BC005A, #B8BC00, #00BC62

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8C89FF
Lighter +30%#5A56FF
Lighter +20%#2823FF
Lighter +10%#0500EF
Darker −10%#030089
Darker −20%#020056
Darker −30%#010023
Darker −40%#000000
More saturated +25%#0400BC
Less saturated −25%#1B18A5

Channel breakdown

R4
G0
B188
Red4 (1.6%)
Green0 (0%)
Blue188 (73.7%)
Hue241.28°
Saturation (HSL)100%
Lightness36.86%
Dominant channelBlue
Hex per channelR 04 · G 00 · B BC

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Every value on this page was computed from “0400bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.