Nerdulator> put something in

Recognised as Colour

#331C1A

  • #331C1A
  • Red
  • Dark
  • Nearest: Black

#331C1A is a red with RGB values 51, 28, 26 and HSL 5°, 32%, 15%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#331C1A#331C1A
HEX#331C1A
RGBrgb(51, 28, 26)
RGB (0–1)0.2, 0.1098, 0.102
RGB percentages20%, 11%, 10.2%
HSLhsl(4.8, 32.5%, 15.1%)
HSV / HSBhsv(4.8, 49%, 20%)
CMYK0%, 45.1%, 49%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,349,530
CSS custom property--colour: #331C1A;

Brightness & contrast

Relative luminance0.01609WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.89:1
Contrast with white15.89:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#CCE3E5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#211F1Ano red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#26241Ano green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#37191Cno 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 text15.89:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Black · ΔE 18.4Dark slate grey · ΔE 30.6Dim grey · ΔE 33.6Gray · ΔE 42.2Slate grey · ΔE 44.9Saddle brown · ΔE 45.1
Nearest named CSS colourBlack (#000000)ΔE 18.35, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A3133
Analogous#331A25, #33291A
Triadic#1A331C, #1C1A33
Split complementary#1A3328, #1A2533
Tetradic#25331A, #1A3133, #281A33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B26D67
Lighter +30%#98544E
Lighter +20%#77413C
Lighter +10%#552F2B
Darker −10%#110909
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3D1410
Less saturated −25%#292424

Channel breakdown

R51
G28
B26
Red51 (20%)
Green28 (11%)
Blue26 (10.2%)
Hue4.8°
Saturation (HSL)32.47%
Lightness15.1%
Dominant channelRed
Hex per channelR 33 · G 1C · B 1A

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 “331c1a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.