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Recognised as Colour

#8A90AA

  • #8A90AA
  • Blue
  • Dark
  • Nearest: Light slate grey

#8A90AA is a blue with RGB values 138, 144, 170 and HSL 229°, 16%, 60%. It is a dark colour, so black text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#8A90AA#8A90AA
HEX#8A90AA
RGBrgb(138, 144, 170)
RGB (0–1)0.5412, 0.5647, 0.6667
RGB percentages54.1%, 56.5%, 66.7%
HSLhsl(228.8, 15.8%, 60.4%)
HSV / HSBhsv(228.8, 18.8%, 66.7%)
CMYK18.8%, 15.3%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,081,002
CSS custom property--colour: #8A90AA;

Brightness & contrast

Relative luminance0.28252WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.65:1
Contrast with white3.16:1WCAG normal text: Fail
Contrast with black6.65:1WCAG normal text: AA
Greyscale equivalent#919191
Inverted#756F55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8992ABno red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#8790A9no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#839598no blue cones; rare, and affects men and women equally; ΔE 14.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.16:1WCAG large text: AA
Contrast with black, large text6.65:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 7.8Slate grey · ΔE 9.9Gray · ΔE 16.2Dark grey · ΔE 17.4Light steelblue · ΔE 19Steel blue · ΔE 20.8
Nearest named CSS colourLight slate grey (#778899)ΔE 7.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AAA48A
Analogous#8AA0AA, #948AAA
Triadic#AA8A90, #90AA8A
Split complementary#AA948A, #A0AA8A
Tetradic#AA8AA0, #AAA48A, #8AAA94

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E3E4EA
Lighter +20%#C5C8D5
Lighter +10%#A8ACBF
Darker −10%#6C7495
Darker −20%#575D77
Darker −30%#41465A
Darker −40%#2C2F3C
More saturated +25%#7180C3
Less saturated −25%#9A9A9A

Channel breakdown

R138
G144
B170
Red138 (54.1%)
Green144 (56.5%)
Blue170 (66.7%)
Hue228.75°
Saturation (HSL)15.84%
Lightness60.39%
Dominant channelBlue
Hex per channelR 8A · G 90 · B AA

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Every value on this page was computed from “8a90aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.