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Colour

#671AB1

  • #671AB1
  • Violet
  • Dark
  • Nearest: Dark orchid

#671AB1 is a violet with RGB values 103, 26, 177 and HSL 271°, 74%, 40%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark orchid.

Colour values

#671AB1#671AB1
HEX#671AB1
RGBrgb(103, 26, 177)
RGB (0–1)0.4039, 0.102, 0.6941
RGB percentages40.4%, 10.2%, 69.4%
HSLhsl(270.6, 74.4%, 39.8%)
HSV / HSBhsv(270.6, 85.3%, 69.4%)
CMYK41.8%, 85.3%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,757,041
CSS custom property--colour: #671AB1;

Brightness & contrast

Relative luminance0.06797WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.9:1
Contrast with white8.9:1WCAG normal text: AAA
Contrast with black2.36:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#98E54E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0049B5no red cones; affects about 1% of men; ΔE 34.3 from the original
Deuteranopia#0049AEno green cones; the most common form, about 1% of men; ΔE 37.4 from the original
Tritanopia#554769no blue cones; rare, and affects men and women equally; ΔE 65.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.9:1WCAG large text: AAA
Contrast with black, large text2.36:1WCAG large text: Fail

Named colours

Dark orchid · ΔE 14Indigo · ΔE 17.2Blue violet · ΔE 18.4Dark blue · ΔE 19.4Dark violet · ΔE 19.9Navy · ΔE 21.9
Nearest named CSS colourDark orchid (#9932CC)ΔE 13.97, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#64B11A
Analogous#1B1AB1, #B11AB0
Triadic#B1671A, #1AB167
Split complementary#B0B11A, #1AB11B
Tetradic#B11B1A, #64B11A, #1AB0B1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCA5F2
Lighter +30%#B379EB
Lighter +20%#9A4CE5
Lighter +10%#8121DD
Darker −10%#4D1385
Darker −20%#330D58
Darker −30%#19062C
Darker −40%#000000
More saturated +25%#6801CA
Less saturated −25%#663398

Channel breakdown

R103
G26
B177
Red103 (40.4%)
Green26 (10.2%)
Blue177 (69.4%)
Hue270.6°
Saturation (HSL)74.38%
Lightness39.8%
Dominant channelBlue
Hex per channelR 67 · G 1A · B B1

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Every value on this page was computed from “671ab1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.