Nerdulator> put something in

Recognised as Colour

#4B170B

  • #4B170B
  • Red
  • Dark
  • Nearest: Saddle brown

#4B170B is a red with RGB values 75, 23, 11 and HSL 11°, 74%, 17%. It is a dark colour, so white text on it reaches 14.7:1 contrast (AAA for normal text). The nearest named colour is Saddle brown.

Colour values

#4B170B#4B170B
HEX#4B170B
RGBrgb(75, 23, 11)
RGB (0–1)0.2941, 0.0902, 0.0431
RGB percentages29.4%, 9%, 4.3%
HSLhsl(11.3, 74.4%, 16.9%)
HSV / HSBhsv(11.3, 85.3%, 29.4%)
CMYK0%, 69.3%, 85.3%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,921,099
CSS custom property--colour: #4B170B;

Brightness & contrast

Relative luminance0.02133WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.72:1
Contrast with white14.72:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#B4E8F4

Colour vision & accessibility

Protanopia#262109no red cones; affects about 1% of men; ΔE 26.1 from the original
Deuteranopia#322C09no green cones; the most common form, about 1% of men; ΔE 26.4 from the original
Tritanopia#530A15no blue cones; rare, and affects men and women equally; ΔE 10.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.72:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Nearest named CSS colourSaddle brown (#8B4513)ΔE 30.06, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#0B3F4B
Analogous#4B0B1F, #4B370B
Triadic#0B4B17, #170B4B
Split complementary#0B4B37, #0B1F4B
Tetradic#1F4B0B, #0B3F4B, #370B4B

Tints, shades & saturation

Lighter +40%#E35E3F
Lighter +30%#D0401F
Lighter +20%#A43218
Lighter +10%#772512
Darker −10%#1F0904
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#561000
Less saturated −25%#401E16

Channel breakdown

R75
G23
B11
Red75 (29.4%)
Green23 (9%)
Blue11 (4.3%)
Hue11.25°
Saturation (HSL)74.42%
Lightness16.86%
Dominant channelRed
Hex per channelR 4B · G 17 · B 0B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “4b170b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.