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Colour

#B1B4BB

  • #B1B4BB
  • Grey
  • Dark
  • Nearest: Dark grey

#B1B4BB is a grey with RGB values 177, 180, 187 and HSL 222°, 7%, 71%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#B1B4BB#B1B4BB
HEX#B1B4BB
RGBrgb(177, 180, 187)
RGB (0–1)0.6941, 0.7059, 0.7333
RGB percentages69.4%, 70.6%, 73.3%
HSLhsl(222, 6.8%, 71.4%)
HSV / HSBhsv(222, 5.3%, 73.3%)
CMYK5.3%, 3.7%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,646,139
CSS custom property--colour: #B1B4BB;

Brightness & contrast

Relative luminance0.45577WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.12:1
Contrast with white2.08:1WCAG normal text: Fail
Contrast with black10.12:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#4E4B44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B2B4BBno red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#B1B4BBno green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#AFB5B6no blue cones; rare, and affects men and women equally; ΔE 3.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.08:1WCAG large text: Fail
Contrast with black, large text10.12:1WCAG large text: AAA

Named colours

Dark grey · ΔE 5.6Silver · ΔE 5.9Light grey · ΔE 12Light steelblue · ΔE 12.5Gainsboro · ΔE 15Thistle · ΔE 15.5
Nearest named CSS colourDark grey (#A9A9A9)ΔE 5.63, clearly different but related
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBB8B1
Analogous#B1B9BB, #B3B1BB
Triadic#BBB1B4, #B4BBB1
Split complementary#BBB3B1, #B9BBB1
Tetradic#BBB1B9, #BBB8B1, #B1BBB3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E7E8EB
Lighter +10%#CCCED3
Darker −10%#969AA3
Darker −20%#7B808B
Darker −30%#626771
Darker −40%#4B4E55
More saturated +25%#9FADCD
Less saturated −25%#B6B6B6

Channel breakdown

R177
G180
B187
Red177 (69.4%)
Green180 (70.6%)
Blue187 (73.3%)
Hue222°
Saturation (HSL)6.85%
Lightness71.37%
Dominant channelBlue
Hex per channelR B1 · G B4 · B BB

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Every value on this page was computed from “b1b4bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.