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Colour

#859CD0

  • #859CD0
  • Blue
  • Dark
  • Nearest: Steel blue

#859CD0 is a blue with RGB values 133, 156, 208 and HSL 222°, 44%, 67%. It is a dark colour, so black text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#859CD0#859CD0
HEX#859CD0
RGBrgb(133, 156, 208)
RGB (0–1)0.5216, 0.6118, 0.8157
RGB percentages52.2%, 61.2%, 81.6%
HSLhsl(221.6, 44.4%, 66.9%)
HSV / HSBhsv(221.6, 36.1%, 81.6%)
CMYK36.1%, 25%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,756,432
CSS custom property--colour: #859CD0;

Brightness & contrast

Relative luminance0.33318WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.66:1
Contrast with white2.74:1WCAG normal text: Fail
Contrast with black7.66:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#7A632F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8BA0D2no red cones; affects about 1% of men; ΔE 2 from the original
Deuteranopia#8399CFno green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#6EA7AEno blue cones; rare, and affects men and women equally; ΔE 29 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.74:1WCAG large text: Fail
Contrast with black, large text7.66:1WCAG large text: AAA

Named colours

Steel blue · ΔE 15.1Light steelblue · ΔE 20.7Cornflower blue · ΔE 20.8Light slate grey · ΔE 21.1Light skyblue · ΔE 21.7Slate grey · ΔE 22.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D0B985
Analogous#85C2D0, #9485D0
Triadic#D0859C, #9CD085
Split complementary#D09485, #C2D085
Tetradic#D085C2, #D0B985, #85D094

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F3F6FB
Lighter +20%#CFD8EC
Lighter +10%#AABADE
Darker −10%#607EC2
Darker −20%#4263AD
Darker −30%#344E88
Darker −40%#263963
More saturated +25%#7094E5
Less saturated −25%#9AA4BB

Channel breakdown

R133
G156
B208
Red133 (52.2%)
Green156 (61.2%)
Blue208 (81.6%)
Hue221.6°
Saturation (HSL)44.38%
Lightness66.86%
Dominant channelBlue
Hex per channelR 85 · G 9C · B D0

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Every value on this page was computed from “859cd0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.