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Colour

#9581FF

  • #9581FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#9581FF is a blue with RGB values 149, 129, 255 and HSL 250°, 100%, 75%. It is a dark colour, so black text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#9581FF#9581FF
HEX#9581FF
RGBrgb(149, 129, 255)
RGB (0–1)0.5843, 0.5059, 1
RGB percentages58.4%, 50.6%, 100%
HSLhsl(249.5, 100%, 75.3%)
HSV / HSBhsv(249.5, 49.4%, 100%)
CMYK41.6%, 49.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,798,143
CSS custom property--colour: #9581FF;

Brightness & contrast

Relative luminance0.2931WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.86:1
Contrast with white3.06:1WCAG normal text: Fail
Contrast with black6.86:1WCAG normal text: AA
Greyscale equivalent#8E8E8E
Inverted#6A7E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C96FFno red cones; affects about 1% of men; ΔE 26.4 from the original
Deuteranopia#4C90FCno green cones; the most common form, about 1% of men; ΔE 23.9 from the original
Tritanopia#769BB4no blue cones; rare, and affects men and women equally; ΔE 61.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.06:1WCAG large text: AA
Contrast with black, large text6.86:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 10.9Medium purple · ΔE 12Slate blue · ΔE 16Royal blue · ΔE 17.8Medium orchid · ΔE 26.5Dodgerblue · ΔE 27.4
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 10.93, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBFF81
Analogous#81ACFF, #D481FF
Triadic#FF9581, #81FF95
Split complementary#FFD481, #ACFF81
Tetradic#FF81AC, #EBFF81, #81FFD4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EBE7FF
Lighter +10%#C0B4FF
Darker −10%#6A4EFF
Darker −20%#3F1BFF
Darker −30%#2500E7
Darker −40%#1D00B4
More saturated +25%#9581FF
Less saturated −25%#A091EF

Channel breakdown

R149
G129
B255
Red149 (58.4%)
Green129 (50.6%)
Blue255 (100%)
Hue249.52°
Saturation (HSL)100%
Lightness75.29%
Dominant channelBlue
Hex per channelR 95 · G 81 · B FF

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Every value on this page was computed from “9581ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.