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Recognised as Colour

#858EBB

  • #858EBB
  • Blue
  • Dark
  • Nearest: Steel blue

#858EBB is a blue with RGB values 133, 142, 187 and HSL 230°, 28%, 63%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#858EBB#858EBB
HEX#858EBB
RGBrgb(133, 142, 187)
RGB (0–1)0.5216, 0.5569, 0.7333
RGB percentages52.2%, 55.7%, 73.3%
HSLhsl(230, 28.4%, 62.7%)
HSV / HSBhsv(230, 28.9%, 73.3%)
CMYK28.9%, 24.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,752,827
CSS custom property--colour: #858EBB;

Brightness & contrast

Relative luminance0.2792WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.58:1
Contrast with white3.19:1WCAG normal text: Fail
Contrast with black6.58:1WCAG normal text: AA
Greyscale equivalent#8F8F8F
Inverted#7A7144

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8192BDno red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#7D8EBAno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#77969Dno blue cones; rare, and affects men and women equally; ΔE 23.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.19:1WCAG large text: AA
Contrast with black, large text6.58:1WCAG large text: AAA

Named colours

Steel blue · ΔE 15.5Light slate grey · ΔE 16.8Slate grey · ΔE 18.1Light steelblue · ΔE 22.5Cornflower blue · ΔE 25Thistle · ΔE 26.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBB285
Analogous#85A9BB, #9785BB
Triadic#BB858E, #8EBB85
Split complementary#BB9785, #A9BB85
Tetradic#BB85A9, #BBB285, #85BB97

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7E9F2
Lighter +20%#C6CBE0
Lighter +10%#A6ACCD
Darker −10%#6470A9
Darker −20%#4E588C
Darker −30%#3C446B
Darker −40%#2A2F4A
More saturated +25%#6D7ED3
Less saturated −25%#9D9EA3

Channel breakdown

R133
G142
B187
Red133 (52.2%)
Green142 (55.7%)
Blue187 (73.3%)
Hue230°
Saturation (HSL)28.42%
Lightness62.75%
Dominant channelBlue
Hex per channelR 85 · G 8E · B BB

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Every value on this page was computed from “858ebb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.