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Colour

#859DA3

  • #859DA3
  • Cyan
  • Dark
  • Nearest: Light slate grey

#859DA3 is a cyan with RGB values 133, 157, 163 and HSL 192°, 14%, 58%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#859DA3#859DA3
HEX#859DA3
RGBrgb(133, 157, 163)
RGB (0–1)0.5216, 0.6157, 0.6392
RGB percentages52.2%, 61.6%, 63.9%
HSLhsl(192, 14%, 58%)
HSV / HSBhsv(192, 18.4%, 63.9%)
CMYK18.4%, 3.7%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,756,643
CSS custom property--colour: #859DA3;

Brightness & contrast

Relative luminance0.31745WCAG 2.x, 0 is black and 1 is white
Perceived brightness151 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.35:1
Contrast with white2.86:1WCAG normal text: Fail
Contrast with black7.35:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#7A625C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#989BA3no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#9397A3no green cones; the most common form, about 1% of men; ΔE 8.1 from the original
Tritanopia#7CA09Fno blue cones; rare, and affects men and women equally; ΔE 6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.86:1WCAG large text: Fail
Contrast with black, large text7.35:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 10.1Dark grey · ΔE 11.1Slate grey · ΔE 12.3Cadetblue · ΔE 12.9Gray · ΔE 13.3Silver · ΔE 17.2
Nearest named CSS colourLight slate grey (#778899)ΔE 10.09, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A38B85
Analogous#85A39A, #858EA3
Triadic#A3859D, #9DA385
Split complementary#A3858E, #A39A85
Tetradic#9A85A3, #A38B85, #8EA385

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F9FAFB
Lighter +30%#DCE3E5
Lighter +20%#BFCCCF
Lighter +10%#A2B4B9
Darker −10%#69858C
Darker −20%#53696F
Darker −30%#3D4E52
Darker −40%#283234
More saturated +25%#6AADBE
Less saturated −25%#949494

Channel breakdown

R133
G157
B163
Red133 (52.2%)
Green157 (61.6%)
Blue163 (63.9%)
Hue192°
Saturation (HSL)14.02%
Lightness58.04%
Dominant channelBlue
Hex per channelR 85 · G 9D · B A3

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Every value on this page was computed from “859da3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.