Nerdulator> put something in

Recognised as Colour

#36191D

  • #36191D
  • Red
  • Dark
  • Nearest: Black

#36191D is a red with RGB values 54, 25, 29 and HSL 352°, 37%, 15%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#36191D#36191D
HEX#36191D
RGBrgb(54, 25, 29)
RGB (0–1)0.2118, 0.098, 0.1137
RGB percentages21.2%, 9.8%, 11.4%
HSLhsl(351.7, 36.7%, 15.5%)
HSV / HSBhsv(351.7, 53.7%, 21.2%)
CMYK0%, 53.7%, 46.3%, 78.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,545,373
CSS custom property--colour: #36191D;

Brightness & contrast

Relative luminance0.01568WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.99:1
Contrast with white15.99:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#C9E6E2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1E1E1Dno red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#26241Cno green cones; the most common form, about 1% of men; ΔE 15.9 from the original
Tritanopia#3B161Ano blue cones; rare, and affects men and women equally; ΔE 4.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.99:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 20.2Dark slate grey · ΔE 33.1Dim grey · ΔE 35Gray · ΔE 43.4Slate grey · ΔE 45.6Saddle brown · ΔE 46
Nearest named CSS colourBlack (#000000)ΔE 20.17, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#193632
Analogous#36192C, #362419
Triadic#1D3619, #191D36
Split complementary#193623, #192C36
Tetradic#2C3619, #193632, #231936

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B7646F
Lighter +30%#9F4955
Lighter +20%#7C3942
Lighter +10%#592930
Darker −10%#13090A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#400F16
Less saturated −25%#2C2324

Channel breakdown

R54
G25
B29
Red54 (21.2%)
Green25 (9.8%)
Blue29 (11.4%)
Hue351.72°
Saturation (HSL)36.71%
Lightness15.49%
Dominant channelRed
Hex per channelR 36 · G 19 · B 1D

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 “36191d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.