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Recognised as Colour

#3121BD

  • #3121BD
  • Blue
  • Dark
  • Nearest: Dark blue

#3121BD is a blue with RGB values 49, 33, 189 and HSL 246°, 70%, 44%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3121BD#3121BD
HEX#3121BD
RGBrgb(49, 33, 189)
RGB (0–1)0.1922, 0.1294, 0.7412
RGB percentages19.2%, 12.9%, 74.1%
HSLhsl(246.2, 70.3%, 43.5%)
HSV / HSBhsv(246.2, 82.5%, 74.1%)
CMYK74.1%, 82.5%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,219,901
CSS custom property--colour: #3121BD;

Brightness & contrast

Relative luminance0.05415WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.08:1
Contrast with white10.08:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#CEDE42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049C1no red cones; affects about 1% of men; ΔE 27.3 from the original
Deuteranopia#003ABAno green cones; the most common form, about 1% of men; ΔE 18.7 from the original
Tritanopia#005371no blue cones; rare, and affects men and women equally; ΔE 84.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.08:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Dark blue · ΔE 16.2Medium blue · ΔE 19.4Navy · ΔE 20.7Blue violet · ΔE 21.1Indigo · ΔE 25.2Dark orchid · ΔE 25.4
Nearest named CSS colourDark blue (#00008B)ΔE 16.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ADBD21
Analogous#215FBD, #7F21BD
Triadic#BD3121, #21BD31
Split complementary#BD7F21, #5FBD21
Tetradic#BD215F, #ADBD21, #21BD7F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEB7F3
Lighter +30%#968CEB
Lighter +20%#6E61E3
Lighter +10%#4635DC
Darker −10%#261992
Darker −20%#1A1266
Darker −30%#0F0A3B
Darker −40%#04030F
More saturated +25%#1B05D9
Less saturated −25%#473DA1

Channel breakdown

R49
G33
B189
Red49 (19.2%)
Green33 (12.9%)
Blue189 (74.1%)
Hue246.15°
Saturation (HSL)70.27%
Lightness43.53%
Dominant channelBlue
Hex per channelR 31 · G 21 · B BD

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Every value on this page was computed from “3121bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.