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Recognised as Colour

#3215BB

  • #3215BB
  • Blue
  • Dark
  • Nearest: Medium blue

#3215BB is a blue with RGB values 50, 21, 187 and HSL 250°, 80%, 41%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#3215BB#3215BB
HEX#3215BB
RGBrgb(50, 21, 187)
RGB (0–1)0.1961, 0.0824, 0.7333
RGB percentages19.6%, 8.2%, 73.3%
HSLhsl(250.5, 79.8%, 40.8%)
HSV / HSBhsv(250.5, 88.8%, 73.3%)
CMYK73.3%, 88.8%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,282,363
CSS custom property--colour: #3215BB;

Brightness & contrast

Relative luminance0.04802WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.71:1
Contrast with white10.71:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#CDEA44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0045BFno red cones; affects about 1% of men; ΔE 29.7 from the original
Deuteranopia#0036B8no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#004F6Eno blue cones; rare, and affects men and women equally; ΔE 87.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.71:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Medium blue · ΔE 15.3Dark blue · ΔE 17.3Blue violet · ΔE 20Navy · ΔE 22.3Dark violet · ΔE 23.8Dark orchid · ΔE 26.3
Nearest named CSS colourMedium blue (#0000CD)ΔE 15.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9EBB15
Analogous#154BBB, #8515BB
Triadic#BB3215, #15BB32
Split complementary#BB8515, #4BBB15
Tetradic#BB154B, #9EBB15, #15BB85

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5A7F5
Lighter +30%#8E79F0
Lighter +20%#674BEB
Lighter +10%#401DE6
Darker −10%#26108D
Darker −20%#190B5F
Darker −30%#0D0631
Darker −40%#010004
More saturated +25%#2400D0
Less saturated −25%#432FA1

Channel breakdown

R50
G21
B187
Red50 (19.6%)
Green21 (8.2%)
Blue187 (73.3%)
Hue250.48°
Saturation (HSL)79.81%
Lightness40.78%
Dominant channelBlue
Hex per channelR 32 · G 15 · B BB

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Every value on this page was computed from “3215bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.