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Recognised as Colour

#623F90

  • #623F90
  • Violet
  • Dark
  • Nearest: Dark slateblue

#623F90 is a violet with RGB values 98, 63, 144 and HSL 266°, 39%, 41%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#623F90#623F90
HEX#623F90
RGBrgb(98, 63, 144)
RGB (0–1)0.3843, 0.2471, 0.5647
RGB percentages38.4%, 24.7%, 56.5%
HSLhsl(265.9, 39.1%, 40.6%)
HSV / HSBhsv(265.9, 56.3%, 56.5%)
CMYK31.9%, 56.3%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,438,800
CSS custom property--colour: #623F90;

Brightness & contrast

Relative luminance0.08165WCAG 2.x, 0 is black and 1 is white
Perceived brightness87 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.98:1
Contrast with white7.98:1WCAG normal text: AAA
Contrast with black2.63:1WCAG normal text: Fail
Greyscale equivalent#4C4C4C
Inverted#9DC06F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F5093no red cones; affects about 1% of men; ΔE 24.3 from the original
Deuteranopia#2B508Eno green cones; the most common form, about 1% of men; ΔE 24.4 from the original
Tritanopia#594F61no blue cones; rare, and affects men and women equally; ΔE 39.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.98:1WCAG large text: AAA
Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 8.1Rebecca purple · ΔE 12.8Midnight blue · ΔE 21.1Slate blue · ΔE 21.7Medium purple · ΔE 23.6Purple · ΔE 26.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 8.1, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D903F
Analogous#3F4590, #8A3F90
Triadic#90623F, #3F9062
Split complementary#908B3F, #45903F
Tetradic#903F45, #6D903F, #3F908A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBBAE1
Lighter +30%#B097D1
Lighter +20%#9573C2
Lighter +10%#7A50B2
Darker −10%#4A2F6D
Darker −20%#322049
Darker −30%#1A1026
Darker −40%#010102
More saturated +25%#5E25AA
Less saturated −25%#665976

Channel breakdown

R98
G63
B144
Red98 (38.4%)
Green63 (24.7%)
Blue144 (56.5%)
Hue265.93°
Saturation (HSL)39.13%
Lightness40.59%
Dominant channelBlue
Hex per channelR 62 · G 3F · B 90

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Every value on this page was computed from “623f90” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.