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Colour

#879DA9

  • #879DA9
  • Blue
  • Dark
  • Nearest: Light slate grey

#879DA9 is a blue with RGB values 135, 157, 169 and HSL 201°, 17%, 60%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#879DA9#879DA9
HEX#879DA9
RGBrgb(135, 157, 169)
RGB (0–1)0.5294, 0.6157, 0.6627
RGB percentages52.9%, 61.6%, 66.3%
HSLhsl(201.2, 16.5%, 59.6%)
HSV / HSBhsv(201.2, 20.1%, 66.3%)
CMYK20.1%, 7.1%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,887,721
CSS custom property--colour: #879DA9;

Brightness & contrast

Relative luminance0.32129WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.43:1
Contrast with white2.83:1WCAG normal text: Fail
Contrast with black7.43:1WCAG normal text: AAA
Greyscale equivalent#999999
Inverted#786256

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#979CAAno red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#9298A9no green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#7EA0A1no blue cones; rare, and affects men and women equally; ΔE 7.8 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 text7.43:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 8.4Slate grey · ΔE 11.1Dark grey · ΔE 11.7Gray · ΔE 14.2Cadetblue · ΔE 14.9Light steelblue · ΔE 16.7
Nearest named CSS colourLight slate grey (#778899)ΔE 8.35, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A99387
Analogous#87A9A4, #878CA9
Triadic#A9879D, #9DA987
Split complementary#A9878C, #A9A487
Tetradic#A487A9, #A99387, #8CA987

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FEFEFE
Lighter +30%#E0E6E9
Lighter +20%#C2CED4
Lighter +10%#A5B5BE
Darker −10%#6A8593
Darker −20%#546A76
Darker −30%#3F4F58
Darker −40%#2A343A
More saturated +25%#6DA5C3
Less saturated −25%#989898

Channel breakdown

R135
G157
B169
Red135 (52.9%)
Green157 (61.6%)
Blue169 (66.3%)
Hue201.18°
Saturation (HSL)16.5%
Lightness59.61%
Dominant channelBlue
Hex per channelR 87 · G 9D · B A9

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Every value on this page was computed from “879da9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.