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Recognised as Colour

#6641F4

  • #6641F4
  • Blue
  • Dark
  • Nearest: Blue violet

#6641F4 is a blue with RGB values 102, 65, 244 and HSL 252°, 89%, 61%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#6641F4#6641F4
HEX#6641F4
RGBrgb(102, 65, 244)
RGB (0–1)0.4, 0.2549, 0.9569
RGB percentages40%, 25.5%, 95.7%
HSLhsl(252.4, 89.1%, 60.6%)
HSV / HSBhsv(252.4, 73.4%, 95.7%)
CMYK58.2%, 73.4%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,701,556
CSS custom property--colour: #6641F4;

Brightness & contrast

Relative luminance0.13137WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.79:1
Contrast with white5.79:1WCAG normal text: AA
Contrast with black3.63:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#99BE0B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006BF9no red cones; affects about 1% of men; ΔE 32 from the original
Deuteranopia#005FF1no green cones; the most common form, about 1% of men; ΔE 26.7 from the original
Tritanopia#037398no blue cones; rare, and affects men and women equally; ΔE 92.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.79:1WCAG large text: AAA
Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Blue violet · ΔE 13Medium blue · ΔE 20.7Dark violet · ΔE 21Dark orchid · ΔE 24.2Medium slateblue · ΔE 28.3Blue · ΔE 32.3
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 13.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFF441
Analogous#4175F4, #C041F4
Triadic#F46641, #41F466
Split complementary#F4C041, #75F441
Tetradic#F44176, #CFF441, #41F4C0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DAD2FC
Lighter +20%#B4A1FA
Lighter +10%#8D71F7
Darker −10%#3F11F1
Darker −20%#310BC4
Darker −30%#250993
Darker −40%#190663
More saturated +25%#6036FF
Less saturated −25%#755ADB

Channel breakdown

R102
G65
B244
Red102 (40%)
Green65 (25.5%)
Blue244 (95.7%)
Hue252.4°
Saturation (HSL)89.05%
Lightness60.59%
Dominant channelBlue
Hex per channelR 66 · G 41 · B F4

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Every value on this page was computed from “6641f4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.