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Recognised as Colour

#512BE1

  • #512BE1
  • Blue
  • Dark
  • Nearest: Medium blue

#512BE1 is a blue with RGB values 81, 43, 225 and HSL 253°, 75%, 53%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#512BE1#512BE1
HEX#512BE1
RGBrgb(81, 43, 225)
RGB (0–1)0.3176, 0.1686, 0.8824
RGB percentages31.8%, 16.9%, 88.2%
HSLhsl(252.5, 75.2%, 52.5%)
HSV / HSBhsv(252.5, 80.9%, 88.2%)
CMYK64%, 80.9%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,319,649
CSS custom property--colour: #512BE1;

Brightness & contrast

Relative luminance0.08913WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.55:1
Contrast with white7.55:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#AED41E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005AE6no red cones; affects about 1% of men; ΔE 31.6 from the original
Deuteranopia#004DDEno green cones; the most common form, about 1% of men; ΔE 25.4 from the original
Tritanopia#006488no blue cones; rare, and affects men and women equally; ΔE 94 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.55:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.4Blue violet · ΔE 13.8Dark violet · ΔE 20.1Dark orchid · ΔE 26Blue · ΔE 28.3Dark blue · ΔE 29.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBE12B
Analogous#2B60E1, #AC2BE1
Triadic#E1512B, #2BE151
Split complementary#E1AC2B, #60E12B
Tetradic#E12B60, #BBE12B, #2BE1AC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4DEFA
Lighter +30%#BFB1F4
Lighter +20%#9A84EE
Lighter +10%#7658E7
Darker −10%#3D1BBE
Darker −20%#2F1591
Darker −30%#200E65
Darker −40%#120838
More saturated +25%#400DFF
Less saturated −25%#6349C3

Channel breakdown

R81
G43
B225
Red81 (31.8%)
Green43 (16.9%)
Blue225 (88.2%)
Hue252.53°
Saturation (HSL)75.21%
Lightness52.55%
Dominant channelBlue
Hex per channelR 51 · G 2B · B E1

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Every value on this page was computed from “512be1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.