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Recognised as Colour

#91A0A8

  • #91A0A8
  • Blue
  • Dark
  • Nearest: Dark grey

#91A0A8 is a blue with RGB values 145, 160, 168 and HSL 201°, 12%, 61%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#91A0A8#91A0A8
HEX#91A0A8
RGBrgb(145, 160, 168)
RGB (0–1)0.5686, 0.6275, 0.6588
RGB percentages56.9%, 62.7%, 65.9%
HSLhsl(200.9, 11.7%, 61.4%)
HSV / HSBhsv(200.9, 13.7%, 65.9%)
CMYK13.7%, 4.8%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,543,848
CSS custom property--colour: #91A0A8;

Brightness & contrast

Relative luminance0.33989WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.8:1
Contrast with white2.69:1WCAG normal text: Fail
Contrast with black7.8:1WCAG normal text: AAA
Greyscale equivalent#9D9D9D
Inverted#6E5F57

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9C9FA8no red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#999CA8no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#8BA2A2no 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 text2.69:1WCAG large text: Fail
Contrast with black, large text7.8:1WCAG large text: AAA

Named colours

Dark grey · ΔE 8.2Light slate grey · ΔE 10.5Slate grey · ΔE 13Gray · ΔE 13.3Silver · ΔE 14.5Light steelblue · ΔE 16.5
Nearest named CSS colourDark grey (#A9A9A9)ΔE 8.17, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A89991
Analogous#91A8A4, #9195A8
Triadic#A891A0, #A0A891
Split complementary#A89195, #A8A491
Tetradic#A491A8, #A89991, #95A891

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6EAEC
Lighter +20%#CAD1D5
Lighter +10%#ADB9BF
Darker −10%#758791
Darker −20%#5D6D76
Darker −30%#475359
Darker −40%#30383D
More saturated +25%#78A7C1
Less saturated −25%#9D9D9D

Channel breakdown

R145
G160
B168
Red145 (56.9%)
Green160 (62.7%)
Blue168 (65.9%)
Hue200.87°
Saturation (HSL)11.68%
Lightness61.37%
Dominant channelBlue
Hex per channelR 91 · G A0 · B A8

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Every value on this page was computed from “91a0a8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.