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Recognised as Colour

#330D01

  • #330D01
  • Red
  • Dark
  • Nearest: Black

#330D01 is a red with RGB values 51, 13, 1 and HSL 14°, 96%, 10%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#330D01#330D01
HEX#330D01
RGBrgb(51, 13, 1)
RGB (0–1)0.2, 0.051, 0.0039
RGB percentages20%, 5.1%, 0.4%
HSLhsl(14.4, 96.2%, 10.2%)
HSV / HSBhsv(14.4, 98%, 20%)
CMYK0%, 74.5%, 98%, 80%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,345,665
CSS custom property--colour: #330D01;

Brightness & contrast

Relative luminance0.00994WCAG 2.x, 0 is black and 1 is white
Perceived brightness29.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.52:1
Contrast with white17.52:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#CCF2FE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#181400no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#211D00no green cones; the most common form, about 1% of men; ΔE 21.1 from the original
Tritanopia#39040Ano blue cones; rare, and affects men and women equally; ΔE 8.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.52:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Black · ΔE 24.4Saddle brown · ΔE 40.5Dark slate grey · ΔE 41.2Maroon · ΔE 42Dim grey · ΔE 42.1Sienna · ΔE 42.8
Nearest named CSS colourBlack (#000000)ΔE 24.4, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#012733
Analogous#33010E, #332601
Triadic#01330D, #0D0133
Split complementary#013326, #010E33
Tetradic#0E3301, #012733, #260133

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FA4006
Lighter +30%#C93304
Lighter +20%#972603
Lighter +10%#651A02
Darker −10%#010000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#340C00
Less saturated −25%#2D1007

Channel breakdown

R51
G13
B1
Red51 (20%)
Green13 (5.1%)
Blue1 (0.4%)
Hue14.4°
Saturation (HSL)96.15%
Lightness10.2%
Dominant channelRed
Hex per channelR 33 · G 0D · B 01

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Every value on this page was computed from “330d01” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.