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Recognised as Colour

#7B66D5

  • #7B66D5
  • Blue
  • Dark
  • Nearest: Slate blue

#7B66D5 is a blue with RGB values 123, 102, 213 and HSL 251°, 57%, 62%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#7B66D5#7B66D5
HEX#7B66D5
RGBrgb(123, 102, 213)
RGB (0–1)0.4824, 0.4, 0.8353
RGB percentages48.2%, 40%, 83.5%
HSLhsl(251.4, 56.9%, 61.8%)
HSV / HSBhsv(251.4, 52.1%, 83.5%)
CMYK42.3%, 52.1%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,087,253
CSS custom property--colour: #7B66D5;

Brightness & contrast

Relative luminance0.18518WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.7:1
Contrast with white4.46:1WCAG normal text: Fail
Contrast with black4.7:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#84992A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#337AD9no red cones; affects about 1% of men; ΔE 24.2 from the original
Deuteranopia#3575D3no green cones; the most common form, about 1% of men; ΔE 23 from the original
Tritanopia#617D94no blue cones; rare, and affects men and women equally; ΔE 55.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.46:1WCAG large text: AA
Contrast with black, large text4.7:1WCAG large text: AAA

Named colours

Slate blue · ΔE 5.8Medium purple · ΔE 6.8Medium slateblue · ΔE 12.5Royal blue · ΔE 14Rebecca purple · ΔE 20.3Dark slateblue · ΔE 24.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 5.83, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C0D566
Analogous#6689D5, #B366D5
Triadic#D57B66, #66D57B
Split complementary#D5B366, #89D566
Tetradic#D56688, #C0D566, #66D5B3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E3DEF6
Lighter +20%#C0B6EB
Lighter +10%#9E8EE0
Darker −10%#583ECA
Darker −20%#452EA7
Darker −30%#34237F
Darker −40%#241857
More saturated +25%#6C4EED
Less saturated −25%#8A7EBD

Channel breakdown

R123
G102
B213
Red123 (48.2%)
Green102 (40%)
Blue213 (83.5%)
Hue251.35°
Saturation (HSL)56.92%
Lightness61.76%
Dominant channelBlue
Hex per channelR 7B · G 66 · B D5

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Every value on this page was computed from “7b66d5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.