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Recognised as Colour

#6B56B7

  • #6B56B7
  • Blue
  • Dark
  • Nearest: Slate blue

#6B56B7 is a blue with RGB values 107, 86, 183 and HSL 253°, 40%, 53%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6B56B7#6B56B7
HEX#6B56B7
RGBrgb(107, 86, 183)
RGB (0–1)0.4196, 0.3373, 0.7176
RGB percentages42%, 33.7%, 71.8%
HSLhsl(253, 40.2%, 52.7%)
HSV / HSBhsv(253, 53%, 71.8%)
CMYK41.5%, 53%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,034,551
CSS custom property--colour: #6B56B7;

Brightness & contrast

Relative luminance0.132WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.77:1
Contrast with white5.77:1WCAG normal text: AA
Contrast with black3.64:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#94A948

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A67BAno red cones; affects about 1% of men; ΔE 22 from the original
Deuteranopia#2D64B5no green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#566A7Eno blue cones; rare, and affects men and women equally; ΔE 49.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.77:1WCAG large text: AAA
Contrast with black, large text3.64:1WCAG large text: AA

Named colours

Slate blue · ΔE 10.1Medium purple · ΔE 12.8Rebecca purple · ΔE 14.8Dark slateblue · ΔE 15.2Royal blue · ΔE 18.3Medium slateblue · ΔE 21
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 10.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A2B756
Analogous#5672B7, #9C56B7
Triadic#B76B56, #56B76B
Split complementary#B79B56, #72B756
Tetradic#B75672, #A2B756, #56B79C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E8E5F4
Lighter +30%#C9C1E5
Lighter +20%#AA9ED5
Lighter +10%#8A7AC6
Darker −10%#544199
Darker −20%#403275
Darker −30%#2D2351
Darker −40%#19132E
More saturated +25%#5A38D5
Less saturated −25%#7C7499

Channel breakdown

R107
G86
B183
Red107 (42%)
Green86 (33.7%)
Blue183 (71.8%)
Hue252.99°
Saturation (HSL)40.25%
Lightness52.75%
Dominant channelBlue
Hex per channelR 6B · G 56 · B B7

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Every value on this page was computed from “6b56b7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.