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Recognised as Colour

#3136AB

  • #3136AB
  • Blue
  • Dark
  • Nearest: Slate blue

#3136AB is a blue with RGB values 49, 54, 171 and HSL 238°, 55%, 43%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3136AB#3136AB
HEX#3136AB
RGBrgb(49, 54, 171)
RGB (0–1)0.1922, 0.2118, 0.6706
RGB percentages19.2%, 21.2%, 67.1%
HSLhsl(237.5, 55.5%, 43.1%)
HSV / HSBhsv(237.5, 71.3%, 67.1%)
CMYK71.3%, 68.4%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,225,259
CSS custom property--colour: #3136AB;

Brightness & contrast

Relative luminance0.06232WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.35:1
Contrast with white9.35:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#CEC954

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004CAFno red cones; affects about 1% of men; ΔE 17.9 from the original
Deuteranopia#0041A9no green cones; the most common form, about 1% of men; ΔE 11.9 from the original
Tritanopia#00566Cno blue cones; rare, and affects men and women equally; ΔE 67.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.35:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.3Rebecca purple · ΔE 17Indigo · ΔE 19.8Navy · ΔE 19.9Midnight blue · ΔE 20.3Dark blue · ΔE 20.9
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#ABA631
Analogous#3173AB, #6931AB
Triadic#AB3136, #36AB31
Split complementary#AB6931, #73AB31
Tetradic#AB3173, #ABA631, #31AB69

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCBEEC
Lighter +30%#9598E0
Lighter +20%#6D71D5
Lighter +10%#454BCA
Darker −10%#262983
Darker −20%#1A1D5C
Darker −30%#0F1034
Darker −40%#04040C
More saturated +25%#151DC6
Less saturated −25%#4D4F90

Channel breakdown

R49
G54
B171
Red49 (19.2%)
Green54 (21.2%)
Blue171 (67.1%)
Hue237.54°
Saturation (HSL)55.45%
Lightness43.14%
Dominant channelBlue
Hex per channelR 31 · G 36 · B AB

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Every value on this page was computed from “3136ab” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.