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Recognised as Colour

#640AFA

  • #640AFA
  • Violet
  • Dark
  • Nearest: Blue

#640AFA is a violet with RGB values 100, 10, 250 and HSL 263°, 96%, 51%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#640AFA#640AFA
HEX#640AFA
RGBrgb(100, 10, 250)
RGB (0–1)0.3922, 0.0392, 0.9804
RGB percentages39.2%, 3.9%, 98%
HSLhsl(262.5, 96%, 51%)
HSV / HSBhsv(262.5, 96%, 98%)
CMYK60%, 96%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,556,410
CSS custom property--colour: #640AFA;

Brightness & contrast

Relative luminance0.09829WCAG 2.x, 0 is black and 1 is white
Perceived brightness100.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.08:1
Contrast with white7.08:1WCAG normal text: AAA
Contrast with black2.97:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#9BF505

Colour vision & accessibility

Protanopia#005EFFno red cones; affects about 1% of men; ΔE 41.2 from the original
Deuteranopia#0051F6no green cones; the most common form, about 1% of men; ΔE 35.7 from the original
Tritanopia#006693no blue cones; rare, and affects men and women equally; ΔE 108.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.08:1WCAG large text: AAA
Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlue (#0000FF)ΔE 12.79, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#A0FA0A
Analogous#0A28FA, #DC0AFA
Triadic#FA640A, #0AFA64
Split complementary#FADC0A, #28FA0A
Tetradic#FA0A28, #A0FA0A, #0AFADC

Tints, shades & saturation

Lighter +40%#E2D2FE
Lighter +30%#C3A0FD
Lighter +20%#A36EFC
Lighter +10%#843CFB
Darker −10%#4F04CD
Darker −20%#3C039B
Darker −30%#290269
Darker −40%#150137
More saturated +25%#6305FF
Less saturated −25%#6C29DB

Channel breakdown

R100
G10
B250
Red100 (39.2%)
Green10 (3.9%)
Blue250 (98%)
Hue262.5°
Saturation (HSL)96%
Lightness50.98%
Dominant channelBlue
Hex per channelR 64 · G 0A · B FA

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Every value on this page was computed from “640afa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.