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Recognised as Colour

#857CB7

  • #857CB7
  • Blue
  • Dark
  • Nearest: Steel blue

#857CB7 is a blue with RGB values 133, 124, 183 and HSL 249°, 29%, 60%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#857CB7#857CB7
HEX#857CB7
RGBrgb(133, 124, 183)
RGB (0–1)0.5216, 0.4863, 0.7176
RGB percentages52.2%, 48.6%, 71.8%
HSLhsl(249.2, 29.1%, 60.2%)
HSV / HSBhsv(249.2, 32.2%, 71.8%)
CMYK27.3%, 32.2%, 0%, 28.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,748,215
CSS custom property--colour: #857CB7;

Brightness & contrast

Relative luminance0.22821WCAG 2.x, 0 is black and 1 is white
Perceived brightness134.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.56:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.56:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#7A8348

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6C84B9no red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#6D82B5no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#7A8691no blue cones; rare, and affects men and women equally; ΔE 29.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.56:1WCAG large text: AAA

Named colours

Steel blue · ΔE 21Cornflower blue · ΔE 21.9Plum · ΔE 25.6Light slate grey · ΔE 26.6Slate grey · ΔE 27Medium purple · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AEB77C
Analogous#7C90B7, #A37CB7
Triadic#B7857C, #7CB785
Split complementary#B7A37C, #90B77C
Tetradic#B77C90, #AEB77C, #7CB7A3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E1DFED
Lighter +20%#C2BEDB
Lighter +10%#A49DC9
Darker −10%#665BA5
Darker −20%#524984
Darker −30%#3D3763
Darker −40%#292542
More saturated +25%#7363D0
Less saturated −25%#97959E

Channel breakdown

R133
G124
B183
Red133 (52.2%)
Green124 (48.6%)
Blue183 (71.8%)
Hue249.15°
Saturation (HSL)29.06%
Lightness60.2%
Dominant channelBlue
Hex per channelR 85 · G 7C · B B7

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Every value on this page was computed from “857cb7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.