Nerdulator> put something in

Recognised as Colour

#2F121F

  • #2F121F
  • Red
  • Dark
  • Nearest: Black

#2F121F is a red with RGB values 47, 18, 31 and HSL 333°, 45%, 13%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2F121F#2F121F
HEX#2F121F
RGBrgb(47, 18, 31)
RGB (0–1)0.1843, 0.0706, 0.1216
RGB percentages18.4%, 7.1%, 12.2%
HSLhsl(333.1, 44.6%, 12.7%)
HSV / HSBhsv(333.1, 61.7%, 18.4%)
CMYK0%, 61.7%, 34%, 81.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,084,831
CSS custom property--colour: #2F121F;

Brightness & contrast

Relative luminance0.01136WCAG 2.x, 0 is black and 1 is white
Perceived brightness31 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.11:1
Contrast with white17.11:1WCAG normal text: AAA
Contrast with black1.23:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#D0EDE0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#16181Fno red cones; affects about 1% of men; ΔE 16 from the original
Deuteranopia#1D1E1Eno green cones; the most common form, about 1% of men; ΔE 17.3 from the original
Tritanopia#331117no blue cones; rare, and affects men and women equally; ΔE 6.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.11:1WCAG large text: AAA
Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 19.6Dark slate grey · ΔE 35.5Dim grey · ΔE 38.2Dark slateblue · ΔE 45.9Gray · ΔE 46.7Slate grey · ΔE 47.5
Nearest named CSS colourBlack (#000000)ΔE 19.63, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#122F22
Analogous#2F122D, #2F1412
Triadic#1F2F12, #121F2F
Split complementary#122F14, #122D2F
Tetradic#2D2F12, #122F22, #14122F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BC5181
Lighter +30%#9E3C68
Lighter +20%#792E50
Lighter +10%#542037
Darker −10%#0A0407
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#370A1E
Less saturated −25%#271A20

Channel breakdown

R47
G18
B31
Red47 (18.4%)
Green18 (7.1%)
Blue31 (12.2%)
Hue333.1°
Saturation (HSL)44.62%
Lightness12.75%
Dominant channelRed
Hex per channelR 2F · G 12 · B 1F

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 “2f121f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.