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Recognised as Colour

#64508E

  • #64508E
  • Violet
  • Dark
  • Nearest: Dark slateblue

#64508E is a violet with RGB values 100, 80, 142 and HSL 259°, 28%, 44%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#64508E#64508E
HEX#64508E
RGBrgb(100, 80, 142)
RGB (0–1)0.3922, 0.3137, 0.5569
RGB percentages39.2%, 31.4%, 55.7%
HSLhsl(259.4, 27.9%, 43.5%)
HSV / HSBhsv(259.4, 43.7%, 55.7%)
CMYK29.6%, 43.7%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,574,222
CSS custom property--colour: #64508E;

Brightness & contrast

Relative luminance0.104WCAG 2.x, 0 is black and 1 is white
Perceived brightness95.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.82:1
Contrast with white6.82:1WCAG normal text: AA
Contrast with black3.08:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#9BAF71

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E5B90no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#425A8Cno green cones; the most common form, about 1% of men; ΔE 16.5 from the original
Tritanopia#5B5B68no blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.82:1WCAG large text: AAA
Contrast with black, large text3.08:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 13.6Rebecca purple · ΔE 26.3Medium purple · ΔE 28.6Steel blue · ΔE 30Slate blue · ΔE 30.4Midnight blue · ΔE 30.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.6, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A8E50
Analogous#505B8E, #83508E
Triadic#8E6450, #508E64
Split complementary#8E8350, #5B8E50
Tetradic#8E505B, #7A8E50, #508E83

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D1C9E1
Lighter +30%#B5A9CE
Lighter +20%#9988BC
Lighter +10%#7D67AA
Darker −10%#4D3E6D
Darker −20%#362B4D
Darker −30%#1F192C
Darker −40%#08060C
More saturated +25%#5A34AA
Less saturated −25%#6E6C72

Channel breakdown

R100
G80
B142
Red100 (39.2%)
Green80 (31.4%)
Blue142 (55.7%)
Hue259.35°
Saturation (HSL)27.93%
Lightness43.53%
Dominant channelBlue
Hex per channelR 64 · G 50 · B 8E

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Every value on this page was computed from “64508e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.