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Colour

#4B4D51

  • #4B4D51
  • Grey
  • Dark
  • Nearest: Dark slate grey

#4B4D51 is a grey with RGB values 75, 77, 81 and HSL 220°, 4%, 31%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#4B4D51#4B4D51
HEX#4B4D51
RGBrgb(75, 77, 81)
RGB (0–1)0.2941, 0.302, 0.3176
RGB percentages29.4%, 30.2%, 31.8%
HSLhsl(220, 3.8%, 30.6%)
HSV / HSBhsv(220, 7.4%, 31.8%)
CMYK7.4%, 4.9%, 0%, 68.2%naive device-independent conversion; real print needs an ICC profile
24-bit integer4,934,993
CSS custom property--colour: #4B4D51;

Brightness & contrast

Relative luminance0.07398WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.47:1
Contrast with white8.47:1WCAG normal text: AAA
Contrast with black2.48:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#B4B2AE

Colour vision & accessibility

Protanopia#4C4D51no red cones; affects about 1% of men; ΔE 0.4 from the original
Deuteranopia#4B4D51no green cones; the most common form, about 1% of men; ΔE 0 from the original
Tritanopia#4A4E4Eno blue cones; rare, and affects men and women equally; ΔE 2.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.47:1WCAG large text: AAA
Contrast with black, large text2.48:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.95, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#514F4B
Analogous#4B5051, #4C4B51
Triadic#514B4D, #4D514B
Split complementary#514C4B, #50514B
Tetradic#514B50, #514F4B, #4B514C

Tints, shades & saturation

Lighter +40%#B1B3B7
Lighter +30%#97999E
Lighter +20%#7C7F86
Lighter +10%#64666B
Darker −10%#323437
Darker −20%#1A1B1C
Darker −30%#010102
Darker −40%#000000
More saturated +25%#384765
Less saturated −25%#4E4E4E

Channel breakdown

R75
G77
B81
Red75 (29.4%)
Green77 (30.2%)
Blue81 (31.8%)
Hue220°
Saturation (HSL)3.85%
Lightness30.59%
Dominant channelBlue
Hex per channelR 4B · G 4D · B 51

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Every value on this page was computed from “4b4d51” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.