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Recognised as Colour

#3F1322

  • #3F1322
  • Red
  • Dark
  • Nearest: Black

#3F1322 is a red with RGB values 63, 19, 34 and HSL 340°, 54%, 16%. It is a dark colour, so white text on it reaches 15.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F1322#3F1322
HEX#3F1322
RGBrgb(63, 19, 34)
RGB (0–1)0.2471, 0.0745, 0.1333
RGB percentages24.7%, 7.5%, 13.3%
HSLhsl(339.5, 53.7%, 16.1%)
HSV / HSBhsv(339.5, 69.8%, 24.7%)
CMYK0%, 69.8%, 46%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,133,666
CSS custom property--colour: #3F1322;

Brightness & contrast

Relative luminance0.01638WCAG 2.x, 0 is black and 1 is white
Perceived brightness39.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.82:1
Contrast with white15.82:1WCAG normal text: AAA
Contrast with black1.33:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#C0ECDD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B1D22no red cones; affects about 1% of men; ΔE 23.3 from the original
Deuteranopia#272621no green cones; the most common form, about 1% of men; ΔE 24 from the original
Tritanopia#450E19no blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.82:1WCAG large text: AAA
Contrast with black, large text1.33:1WCAG large text: Fail

Named colours

Black · ΔE 26.8Dim grey · ΔE 38.6Dark slate grey · ΔE 39.4Gray · ΔE 46.3Maroon · ΔE 46.4Dark slateblue · ΔE 46.4
Nearest named CSS colourBlack (#000000)ΔE 26.76, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#133F30
Analogous#3F1338, #3F1A13
Triadic#223F13, #13223F
Split complementary#133F1A, #13383F
Tetradic#383F13, #133F30, #1A133F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CB537C
Lighter +30%#B53661
Lighter +20%#8D2B4C
Lighter +10%#661F37
Darker −10%#18070D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#49091F
Less saturated −25%#351D25

Channel breakdown

R63
G19
B34
Red63 (24.7%)
Green19 (7.5%)
Blue34 (13.3%)
Hue339.55°
Saturation (HSL)53.66%
Lightness16.08%
Dominant channelRed
Hex per channelR 3F · G 13 · B 22

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Every value on this page was computed from “3f1322” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.