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Recognised as Colour

#2F0900

  • #2F0900
  • Red
  • Dark
  • Nearest: Black

#2F0900 is a red with RGB values 47, 9, 0 and HSL 11°, 100%, 9%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#2F0900#2F0900
HEX#2F0900
RGBrgb(47, 9, 0)
RGB (0–1)0.1843, 0.0353, 0
RGB percentages18.4%, 3.5%, 0%
HSLhsl(11.5, 100%, 9.2%)
HSV / HSBhsv(11.5, 100%, 18.4%)
CMYK0%, 80.9%, 100%, 81.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,082,496
CSS custom property--colour: #2F0900;

Brightness & contrast

Relative luminance0.008WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.1:1
Contrast with white18.1:1WCAG normal text: AAA
Contrast with black1.16:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#D0F6FF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#141100no red cones; affects about 1% of men; ΔE 20.4 from the original
Deuteranopia#1E1900no green cones; the most common form, about 1% of men; ΔE 20.3 from the original
Tritanopia#350107no blue cones; rare, and affects men and women equally; ΔE 8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.1:1WCAG large text: AAA
Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 22.8Dark slate grey · ΔE 41.4Dim grey · ΔE 43Saddle brown · ΔE 43.2Maroon · ΔE 43.9Sienna · ΔE 45.3
Nearest named CSS colourBlack (#000000)ΔE 22.84, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#00262F
Analogous#2F000F, #2F2100
Triadic#002F09, #09002F
Split complementary#002F21, #000F2F
Tetradic#0E2F00, #00262F, #21002F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FB3000
Lighter +30%#C82600
Lighter +20%#951D00
Lighter +10%#621300
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2F0900
Less saturated −25%#290D06

Channel breakdown

R47
G9
B0
Red47 (18.4%)
Green9 (3.5%)
Blue0 (0%)
Hue11.49°
Saturation (HSL)100%
Lightness9.22%
Dominant channelRed
Hex per channelR 2F · G 09 · B 00

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Every value on this page was computed from “2f0900” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.