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Recognised as Colour

#91A1AD

  • #91A1AD
  • Blue
  • Dark
  • Nearest: Dark grey

#91A1AD is a blue with RGB values 145, 161, 173 and HSL 206°, 15%, 62%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#91A1AD#91A1AD
HEX#91A1AD
RGBrgb(145, 161, 173)
RGB (0–1)0.5686, 0.6314, 0.6784
RGB percentages56.9%, 63.1%, 67.8%
HSLhsl(205.7, 14.6%, 62.4%)
HSV / HSBhsv(205.7, 16.2%, 67.8%)
CMYK16.2%, 6.9%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,544,109
CSS custom property--colour: #91A1AD;

Brightness & contrast

Relative luminance0.34527WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.91:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.91:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#6E5E52

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CA1AEno red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#989DADno green cones; the most common form, about 1% of men; ΔE 4.7 from the original
Tritanopia#8AA4A5no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.91:1WCAG large text: AAA

Named colours

Dark grey · ΔE 9.5Light slate grey · ΔE 10Slate grey · ΔE 12.8Gray · ΔE 14.6Light steelblue · ΔE 15Silver · ΔE 15.1
Nearest named CSS colourDark grey (#A9A9A9)ΔE 9.5, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD9D91
Analogous#91ADAB, #9193AD
Triadic#AD91A1, #A1AD91
Split complementary#AD9193, #ADAB91
Tetradic#AB91AD, #AD9D91, #93AD91

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E9ECEE
Lighter +20%#CBD3D9
Lighter +10%#AEBAC3
Darker −10%#748897
Darker −20%#5C6E7C
Darker −30%#46545F
Darker −40%#313A41
More saturated +25%#79A4C5
Less saturated −25%#9F9F9F

Channel breakdown

R145
G161
B173
Red145 (56.9%)
Green161 (63.1%)
Blue173 (67.8%)
Hue205.71°
Saturation (HSL)14.58%
Lightness62.35%
Dominant channelBlue
Hex per channelR 91 · G A1 · B AD

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Every value on this page was computed from “91a1ad” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.