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Recognised as Colour

#6858B8

  • #6858B8
  • Blue
  • Dark
  • Nearest: Slate blue

#6858B8 is a blue with RGB values 104, 88, 184 and HSL 250°, 40%, 53%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6858B8#6858B8
HEX#6858B8
RGBrgb(104, 88, 184)
RGB (0–1)0.4078, 0.3451, 0.7216
RGB percentages40.8%, 34.5%, 72.2%
HSLhsl(250, 40.3%, 53.3%)
HSV / HSBhsv(250, 52.2%, 72.2%)
CMYK43.5%, 52.2%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,838,456
CSS custom property--colour: #6858B8;

Brightness & contrast

Relative luminance0.13383WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.71:1
Contrast with white5.71:1WCAG normal text: AA
Contrast with black3.68:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#97A747

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C69BBno red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#2C64B6no green cones; the most common form, about 1% of men; ΔE 19.7 from the original
Tritanopia#506C7Fno blue cones; rare, and affects men and women equally; ΔE 50 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.71:1WCAG large text: AAA
Contrast with black, large text3.68:1WCAG large text: AA

Named colours

Slate blue · ΔE 10.7Medium purple · ΔE 13.3Dark slateblue · ΔE 14.9Rebecca purple · ΔE 16.2Royal blue · ΔE 17.6Medium slateblue · ΔE 21.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 10.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A8B858
Analogous#5878B8, #9858B8
Triadic#B86858, #58B868
Split complementary#B89858, #78B858
Tetradic#B85878, #A8B858, #58B898

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E9E7F5
Lighter +30%#C9C3E6
Lighter +20%#A9A0D6
Lighter +10%#887CC7
Darker −10%#51429B
Darker −20%#3E3377
Darker −30%#2C2454
Darker −40%#191430
More saturated +25%#543AD6
Less saturated −25%#7C769A

Channel breakdown

R104
G88
B184
Red104 (40.8%)
Green88 (34.5%)
Blue184 (72.2%)
Hue250°
Saturation (HSL)40.34%
Lightness53.33%
Dominant channelBlue
Hex per channelR 68 · G 58 · B B8

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Every value on this page was computed from “6858b8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.