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Recognised as Colour

#8A99A1

  • #8A99A1
  • Blue
  • Dark
  • Nearest: Light slate grey

#8A99A1 is a blue with RGB values 138, 153, 161 and HSL 201°, 11%, 59%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Light slate grey.

Colour values

#8A99A1#8A99A1
HEX#8A99A1
RGBrgb(138, 153, 161)
RGB (0–1)0.5412, 0.6, 0.6314
RGB percentages54.1%, 60%, 63.1%
HSLhsl(200.9, 10.9%, 58.6%)
HSV / HSBhsv(200.9, 14.3%, 63.1%)
CMYK14.3%, 5%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,083,297
CSS custom property--colour: #8A99A1;

Brightness & contrast

Relative luminance0.30759WCAG 2.x, 0 is black and 1 is white
Perceived brightness149.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.15:1
Contrast with white2.94:1WCAG normal text: Fail
Contrast with black7.15:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#75665E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9598A1no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#9295A1no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#849B9Bno blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.94:1WCAG large text: Fail
Contrast with black, large text7.15:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 8.3Dark grey · ΔE 9.9Slate grey · ΔE 10.6Gray · ΔE 11.2Cadetblue · ΔE 16.2Silver · ΔE 16.9
Nearest named CSS colourLight slate grey (#778899)ΔE 8.29, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A1928A
Analogous#8AA19D, #8A8DA1
Triadic#A18A99, #99A18A
Split complementary#A18A8D, #A19D8A
Tetradic#9D8AA1, #A1928A, #8DA18A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FBFCFC
Lighter +30%#DFE3E5
Lighter +20%#C3CACE
Lighter +10%#A6B2B8
Darker −10%#6E808A
Darker −20%#58666D
Darker −30%#414B51
Darker −40%#2A3135
More saturated +25%#70A1BB
Less saturated −25%#959595

Channel breakdown

R138
G153
B161
Red138 (54.1%)
Green153 (60%)
Blue161 (63.1%)
Hue200.87°
Saturation (HSL)10.9%
Lightness58.63%
Dominant channelBlue
Hex per channelR 8A · G 99 · B A1

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Every value on this page was computed from “8a99a1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.