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Colour

#6B57BC

  • #6B57BC
  • Blue
  • Dark
  • Nearest: Slate blue

#6B57BC is a blue with RGB values 107, 87, 188 and HSL 252°, 43%, 54%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6B57BC#6B57BC
HEX#6B57BC
RGBrgb(107, 87, 188)
RGB (0–1)0.4196, 0.3412, 0.7373
RGB percentages42%, 34.1%, 73.7%
HSLhsl(251.9, 43%, 53.9%)
HSV / HSBhsv(251.9, 53.7%, 73.7%)
CMYK43.1%, 53.7%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,034,812
CSS custom property--colour: #6B57BC;

Brightness & contrast

Relative luminance0.13573WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.65:1
Contrast with white5.65:1WCAG normal text: AA
Contrast with black3.71:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#94A843

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2669BFno red cones; affects about 1% of men; ΔE 22.7 from the original
Deuteranopia#2865BAno green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#536C81no blue cones; rare, and affects men and women equally; ΔE 51.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.65:1WCAG large text: AAA
Contrast with black, large text3.71:1WCAG large text: AA

Named colours

Slate blue · ΔE 7.9Medium purple · ΔE 12Rebecca purple · ΔE 15Royal blue · ΔE 16.6Dark slateblue · ΔE 16.9Medium slateblue · ΔE 18.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 7.87, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A8BC57
Analogous#5775BC, #9E57BC
Triadic#BC6B57, #57BC6B
Split complementary#BC9E57, #75BC57
Tetradic#BC5776, #A8BC57, #57BC9E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EBE9F6
Lighter +30%#CBC4E8
Lighter +20%#ABA0D9
Lighter +10%#8B7BCB
Darker −10%#5340A0
Darker −20%#40317C
Darker −30%#2D2357
Darker −40%#1A1433
More saturated +25%#593AD9
Less saturated −25%#7D749F

Channel breakdown

R107
G87
B188
Red107 (42%)
Green87 (34.1%)
Blue188 (73.7%)
Hue251.88°
Saturation (HSL)42.98%
Lightness53.92%
Dominant channelBlue
Hex per channelR 6B · G 57 · B BC

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Every value on this page was computed from “6b57bc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.