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Colour

#8990AA

  • #8990AA
  • Blue
  • Dark
  • Nearest: Light slate grey

#8990AA is a blue with RGB values 137, 144, 170 and HSL 227°, 16%, 60%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#8990AA#8990AA
HEX#8990AA
RGBrgb(137, 144, 170)
RGB (0–1)0.5373, 0.5647, 0.6667
RGB percentages53.7%, 56.5%, 66.7%
HSLhsl(227.3, 16.3%, 60.2%)
HSV / HSBhsv(227.3, 19.4%, 66.7%)
CMYK19.4%, 15.3%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,015,466
CSS custom property--colour: #8990AA;

Brightness & contrast

Relative luminance0.28167WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.63:1
Contrast with white3.17:1WCAG normal text: Fail
Contrast with black6.63:1WCAG normal text: AA
Greyscale equivalent#909090
Inverted#766F55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8992ABno red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#868FA9no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#819598no blue cones; rare, and affects men and women equally; ΔE 14.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.17:1WCAG large text: AA
Contrast with black, large text6.63:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 7.6Slate grey · ΔE 9.7Gray · ΔE 16.2Dark grey · ΔE 17.4Light steelblue · ΔE 18.9Steel blue · ΔE 20.6
Nearest named CSS colourLight slate grey (#778899)ΔE 7.57, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AAA389
Analogous#89A1AA, #9289AA
Triadic#AA8990, #90AA89
Split complementary#AA9389, #A1AA89
Tetradic#AA89A1, #AAA389, #89AA93

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E2E4EA
Lighter +20%#C4C8D5
Lighter +10%#A7ACBF
Darker −10%#6B7495
Darker −20%#565D77
Darker −30%#40465A
Darker −40%#2B2F3C
More saturated +25%#7081C3
Less saturated −25%#9A9A9A

Channel breakdown

R137
G144
B170
Red137 (53.7%)
Green144 (56.5%)
Blue170 (66.7%)
Hue227.27°
Saturation (HSL)16.26%
Lightness60.2%
Dominant channelBlue
Hex per channelR 89 · G 90 · B AA

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Every value on this page was computed from “8990aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.