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Recognised as Colour

#4B27BE

  • #4B27BE
  • Blue
  • Dark
  • Nearest: Dark blue

#4B27BE is a blue with RGB values 75, 39, 190 and HSL 254°, 66%, 45%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#4B27BE#4B27BE
HEX#4B27BE
RGBrgb(75, 39, 190)
RGB (0–1)0.2941, 0.1529, 0.7451
RGB percentages29.4%, 15.3%, 74.5%
HSLhsl(254.3, 65.9%, 44.9%)
HSV / HSBhsv(254.3, 79.5%, 74.5%)
CMYK60.5%, 79.5%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,925,374
CSS custom property--colour: #4B27BE;

Brightness & contrast

Relative luminance0.06665WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9:1
Contrast with white9:1WCAG normal text: AAA
Contrast with black2.33:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#B4D841

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DC2no red cones; affects about 1% of men; ΔE 27.8 from the original
Deuteranopia#0044BBno green cones; the most common form, about 1% of men; ΔE 24.1 from the original
Tritanopia#005473no blue cones; rare, and affects men and women equally; ΔE 80.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9:1WCAG large text: AAA
Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Dark blue · ΔE 17.2Blue violet · ΔE 19.2Dark orchid · ΔE 20.6Navy · ΔE 20.8Indigo · ΔE 22.1Dark violet · ΔE 23.7
Nearest named CSS colourDark blue (#00008B)ΔE 17.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9ABE27
Analogous#274EBE, #9727BE
Triadic#BE4B27, #27BE4B
Split complementary#BE9727, #4EBE27
Tetradic#BE274E, #9ABE27, #27BE97

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBBFF2
Lighter +30%#A995E9
Lighter +20%#876AE1
Lighter +10%#6440D8
Darker −10%#3A1E94
Darker −20%#2A1669
Darker −30%#190D3F
Darker −40%#080415
More saturated +25%#3C0ADB
Less saturated −25%#5A44A1

Channel breakdown

R75
G39
B190
Red75 (29.4%)
Green39 (15.3%)
Blue190 (74.5%)
Hue254.3°
Saturation (HSL)65.94%
Lightness44.9%
Dominant channelBlue
Hex per channelR 4B · G 27 · B BE

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Every value on this page was computed from “4b27be” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.