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Colour

#A4A8BA

  • #A4A8BA
  • Blue
  • Dark
  • Nearest: Dark grey

#A4A8BA is a blue with RGB values 164, 168, 186 and HSL 229°, 14%, 69%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#A4A8BA#A4A8BA
HEX#A4A8BA
RGBrgb(164, 168, 186)
RGB (0–1)0.6431, 0.6588, 0.7294
RGB percentages64.3%, 65.9%, 72.9%
HSLhsl(229.1, 13.7%, 68.6%)
HSV / HSBhsv(229.1, 11.8%, 72.9%)
CMYK11.8%, 9.7%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,791,098
CSS custom property--colour: #A4A8BA;

Brightness & contrast

Relative luminance0.39443WCAG 2.x, 0 is black and 1 is white
Perceived brightness169 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.89:1
Contrast with white2.36:1WCAG normal text: Fail
Contrast with black8.89:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#5B5745

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A3A9BBno red cones; affects about 1% of men; ΔE 0.7 from the original
Deuteranopia#A2A8BAno green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#9FABAEno blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.36:1WCAG large text: Fail
Contrast with black, large text8.89:1WCAG large text: AAA

Named colours

Dark grey · ΔE 10Light steelblue · ΔE 11.4Silver · ΔE 13.2Light slate grey · ΔE 14Thistle · ΔE 15.6Slate grey · ΔE 16.8
Nearest named CSS colourDark grey (#A9A9A9)ΔE 9.96, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BAB6A4
Analogous#A4B3BA, #ABA4BA
Triadic#BAA4A8, #A8BAA4
Split complementary#BAABA4, #B3BAA4
Tetradic#BAA4B3, #BAB6A4, #A4BAAB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FBFBFC
Lighter +20%#DEDFE6
Lighter +10%#C1C4D0
Darker −10%#878CA4
Darker −20%#6B718D
Darker −30%#555A70
Darker −40%#3F4353
More saturated +25%#909BCE
Less saturated −25%#AFAFAF

Channel breakdown

R164
G168
B186
Red164 (64.3%)
Green168 (65.9%)
Blue186 (72.9%)
Hue229.09°
Saturation (HSL)13.75%
Lightness68.63%
Dominant channelBlue
Hex per channelR A4 · G A8 · B BA

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Every value on this page was computed from “a4a8ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.