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Recognised as Colour

#4B03BB

  • #4B03BB
  • Violet
  • Dark
  • Nearest: Medium blue

#4B03BB is a violet with RGB values 75, 3, 187 and HSL 263°, 97%, 37%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#4B03BB#4B03BB
HEX#4B03BB
RGBrgb(75, 3, 187)
RGB (0–1)0.2941, 0.0118, 0.7333
RGB percentages29.4%, 1.2%, 73.3%
HSLhsl(263.5, 96.8%, 37.3%)
HSV / HSBhsv(263.5, 98.4%, 73.3%)
CMYK59.9%, 98.4%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,916,155
CSS custom property--colour: #4B03BB;

Brightness & contrast

Relative luminance0.05149WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.35:1
Contrast with white10.35:1WCAG normal text: AAA
Contrast with black2.03:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#B4FC44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0044BFno red cones; affects about 1% of men; ΔE 33.3 from the original
Deuteranopia#003BB8no green cones; the most common form, about 1% of men; ΔE 29.6 from the original
Tritanopia#004A6Dno blue cones; rare, and affects men and women equally; ΔE 86.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.35:1WCAG large text: AAA
Contrast with black, large text2.03:1WCAG large text: Fail

Named colours

Medium blue · ΔE 14.8Blue violet · ΔE 16.3Dark violet · ΔE 18.7Dark blue · ΔE 20.3Dark orchid · ΔE 23.6Navy · ΔE 25.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 14.83, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#73BB03
Analogous#0317BB, #A703BB
Triadic#BB4B03, #03BB4B
Split complementary#BBA703, #17BB03
Tetradic#BB0317, #73BB03, #03BBA7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B98DFD
Lighter +30%#9A5BFC
Lighter +20%#7B28FC
Lighter +10%#5F04ED
Darker −10%#370289
Darker −20%#230157
Darker −30%#0F0124
Darker −40%#000000
More saturated +25%#4A00BE
Less saturated −25%#501BA3

Channel breakdown

R75
G3
B187
Red75 (29.4%)
Green3 (1.2%)
Blue187 (73.3%)
Hue263.48°
Saturation (HSL)96.84%
Lightness37.25%
Dominant channelBlue
Hex per channelR 4B · G 03 · B BB

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Every value on this page was computed from “4b03bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.