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Recognised as Colour

#91ABB8

  • #91ABB8
  • Blue
  • Dark
  • Nearest: Dark grey

#91ABB8 is a blue with RGB values 145, 171, 184 and HSL 200°, 22%, 65%. It is a dark colour, so black text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#91ABB8#91ABB8
HEX#91ABB8
RGBrgb(145, 171, 184)
RGB (0–1)0.5686, 0.6706, 0.7216
RGB percentages56.9%, 67.1%, 72.2%
HSLhsl(200, 21.5%, 64.5%)
HSV / HSBhsv(200, 21.2%, 72.2%)
CMYK21.2%, 7.1%, 0%, 27.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,546,680
CSS custom property--colour: #91ABB8;

Brightness & contrast

Relative luminance0.38606WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.72:1
Contrast with white2.41:1WCAG normal text: Fail
Contrast with black8.72:1WCAG normal text: AAA
Greyscale equivalent#A6A6A6
Inverted#6E5447

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A4AAB9no red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#9FA5B8no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#86AFAFno blue cones; rare, and affects men and women equally; ΔE 9.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.41:1WCAG large text: Fail
Contrast with black, large text8.72:1WCAG large text: AAA

Named colours

Dark grey · ΔE 11.4Light steelblue · ΔE 12.4Light slate grey · ΔE 13.2Silver · ΔE 14.7Cadetblue · ΔE 15.6Slate grey · ΔE 16.1
Nearest named CSS colourDark grey (#A9A9A9)ΔE 11.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B89E91
Analogous#91B8B2, #9198B8
Triadic#B891AB, #ABB891
Split complementary#B89198, #B8B291
Tetradic#B291B8, #B89E91, #98B891

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEF2F4
Lighter +20%#CFDAE0
Lighter +10%#B0C3CC
Darker −10%#7293A4
Darker −20%#597A8A
Darker −30%#455E6B
Darker −40%#31434C
More saturated +25%#7AB3CF
Less saturated −25%#A4A4A4

Channel breakdown

R145
G171
B184
Red145 (56.9%)
Green171 (67.1%)
Blue184 (72.2%)
Hue200°
Saturation (HSL)21.55%
Lightness64.51%
Dominant channelBlue
Hex per channelR 91 · G AB · B B8

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Every value on this page was computed from “91abb8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.