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Recognised as Colour

#859AC4

  • #859AC4
  • Blue
  • Dark
  • Nearest: Steel blue

#859AC4 is a blue with RGB values 133, 154, 196 and HSL 220°, 35%, 65%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#859AC4#859AC4
HEX#859AC4
RGBrgb(133, 154, 196)
RGB (0–1)0.5216, 0.6039, 0.7686
RGB percentages52.2%, 60.4%, 76.9%
HSLhsl(220, 34.8%, 64.5%)
HSV / HSBhsv(220, 32.1%, 76.9%)
CMYK32.1%, 21.4%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,755,908
CSS custom property--colour: #859AC4;

Brightness & contrast

Relative luminance0.32083WCAG 2.x, 0 is black and 1 is white
Perceived brightness153.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.42:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.42:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#7A653B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8C9DC6no red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#8697C3no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#73A3A8no blue cones; rare, and affects men and women equally; ΔE 23.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.83:1WCAG large text: Fail
Contrast with black, large text7.42:1WCAG large text: AAA

Named colours

Steel blue · ΔE 15.2Light slate grey · ΔE 15.7Slate grey · ΔE 17.8Light steelblue · ΔE 17.9Light skyblue · ΔE 21.6Sky blue · ΔE 23.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C4AF85
Analogous#85BAC4, #9085C4
Triadic#C4859A, #9AC485
Split complementary#C49085, #BAC485
Tetradic#C485BA, #C4AF85, #85C490

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#ECEFF6
Lighter +20%#CAD3E5
Lighter +10%#A7B6D5
Darker −10%#637EB3
Darker −20%#4A6499
Darker −30%#394E77
Darker −40%#293754
More saturated +25%#6E92DB
Less saturated −25%#9CA2AD

Channel breakdown

R133
G154
B196
Red133 (52.2%)
Green154 (60.4%)
Blue196 (76.9%)
Hue220°
Saturation (HSL)34.81%
Lightness64.51%
Dominant channelBlue
Hex per channelR 85 · G 9A · B C4

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Every value on this page was computed from “859ac4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.