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Recognised as Colour

#301C21

  • #301C21
  • Red
  • Dark
  • Nearest: Black

#301C21 is a red with RGB values 48, 28, 33 and HSL 345°, 26%, 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

#301C21#301C21
HEX#301C21
RGBrgb(48, 28, 33)
RGB (0–1)0.1882, 0.1098, 0.1294
RGB percentages18.8%, 11%, 12.9%
HSLhsl(345, 26.3%, 14.9%)
HSV / HSBhsv(345, 41.7%, 18.8%)
CMYK0%, 41.7%, 31.3%, 81.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,152,929
CSS custom property--colour: #301C21;

Brightness & contrast

Relative luminance0.01569WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.98:1
Contrast with white15.98:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#CFE3DE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F1F21no red cones; affects about 1% of men; ΔE 10.5 from the original
Deuteranopia#242321no green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#331B1Eno blue cones; rare, and affects men and women equally; ΔE 2.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.98:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 16.9Dark slate grey · ΔE 29.2Dim grey · ΔE 33.2Gray · ΔE 41.9Slate grey · ΔE 43.3Light slate grey · ΔE 46.3
Nearest named CSS colourBlack (#000000)ΔE 16.9, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1C302B
Analogous#301C2B, #30211C
Triadic#21301C, #1C2130
Split complementary#1C3021, #1C2B30
Tetradic#2B301C, #1C302B, #211C30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AA6E7D
Lighter +30%#915463
Lighter +20%#70424D
Lighter +10%#502F37
Darker −10%#10090B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3A121C
Less saturated −25%#272626

Channel breakdown

R48
G28
B33
Red48 (18.8%)
Green28 (11%)
Blue33 (12.9%)
Hue345°
Saturation (HSL)26.32%
Lightness14.9%
Dominant channelRed
Hex per channelR 30 · G 1C · B 21

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Every value on this page was computed from “301c21” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.