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Recognised as Colour

#B257EE

  • #B257EE
  • Violet
  • Dark
  • Nearest: Dark orchid

#B257EE is a violet with RGB values 178, 87, 238 and HSL 276°, 82%, 64%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dark orchid.

Colour values

#B257EE#B257EE
HEX#B257EE
RGBrgb(178, 87, 238)
RGB (0–1)0.698, 0.3412, 0.9333
RGB percentages69.8%, 34.1%, 93.3%
HSLhsl(276.2, 81.6%, 63.7%)
HSV / HSBhsv(276.2, 63.4%, 93.3%)
CMYK25.2%, 63.4%, 0%, 6.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,687,918
CSS custom property--colour: #B257EE;

Brightness & contrast

Relative luminance0.22454WCAG 2.x, 0 is black and 1 is white
Perceived brightness142.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.49:1
Contrast with white3.82:1WCAG normal text: Fail
Contrast with black5.49:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#4DA811

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007FF3no red cones; affects about 1% of men; ΔE 47.3 from the original
Deuteranopia#4084EBno green cones; the most common form, about 1% of men; ΔE 49 from the original
Tritanopia#A9769Bno blue cones; rare, and affects men and women equally; ΔE 61.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.82:1WCAG large text: AA
Contrast with black, large text5.49:1WCAG large text: AAA

Named colours

Dark orchid · ΔE 11.7Medium orchid · ΔE 14.2Blue violet · ΔE 19.9Medium slateblue · ΔE 21.3Dark violet · ΔE 22.7Medium purple · ΔE 27.4
Nearest named CSS colourDark orchid (#9932CC)ΔE 11.68, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93EE57
Analogous#6657EE, #EE57DF
Triadic#EEB257, #57EEB2
Split complementary#DFEE57, #57EE66
Tetradic#EE6657, #93EE57, #57DFEE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F2E2FC
Lighter +20%#DCB4F7
Lighter +10%#C785F3
Darker −10%#9D29E9
Darker −20%#8214CB
Darker −30%#64109C
Darker −40%#470B6E
More saturated +25%#B546FF
Less saturated −25%#AD6ED7

Channel breakdown

R178
G87
B238
Red178 (69.8%)
Green87 (34.1%)
Blue238 (93.3%)
Hue276.16°
Saturation (HSL)81.62%
Lightness63.73%
Dominant channelBlue
Hex per channelR B2 · G 57 · B EE

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Every value on this page was computed from “b257ee” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.