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Colour

#859CFF

  • #859CFF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#859CFF is a blue with RGB values 133, 156, 255 and HSL 229°, 100%, 76%. It is a dark colour, so black text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#859CFF#859CFF
HEX#859CFF
RGBrgb(133, 156, 255)
RGB (0–1)0.5216, 0.6118, 1
RGB percentages52.2%, 61.2%, 100%
HSLhsl(228.7, 100%, 76.1%)
HSV / HSBhsv(228.7, 47.8%, 100%)
CMYK47.8%, 38.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,756,479
CSS custom property--colour: #859CFF;

Brightness & contrast

Relative luminance0.35983WCAG 2.x, 0 is black and 1 is white
Perceived brightness164.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.2:1
Contrast with white2.56:1WCAG normal text: Fail
Contrast with black8.2:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#7A6300

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#76A7FFno red cones; affects about 1% of men; ΔE 10.3 from the original
Deuteranopia#6A9DFDno green cones; the most common form, about 1% of men; ΔE 7.1 from the original
Tritanopia#55B1C1no blue cones; rare, and affects men and women equally; ΔE 53.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.56:1WCAG large text: Fail
Contrast with black, large text8.2:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10Dodgerblue · ΔE 15.7Medium purple · ΔE 22.3Royal blue · ΔE 24.5Slate blue · ΔE 28.6Medium slateblue · ΔE 30.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.97, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFE885
Analogous#85D9FF, #AB85FF
Triadic#FF859C, #9CFF85
Split complementary#FFAB85, #D9FF85
Tetradic#FF85D9, #FFE885, #85FFAB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EBEFFF
Lighter +10%#B8C5FF
Darker −10%#5273FF
Darker −20%#1F49FF
Darker −30%#002CEB
Darker −40%#0023B8
More saturated +25%#859CFF
Less saturated −25%#94A5F0

Channel breakdown

R133
G156
B255
Red133 (52.2%)
Green156 (61.2%)
Blue255 (100%)
Hue228.69°
Saturation (HSL)100%
Lightness76.08%
Dominant channelBlue
Hex per channelR 85 · G 9C · B FF

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