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Colour

#3E2121

  • #3E2121
  • Red
  • Dark
  • Nearest: Black

#3E2121 is a red with RGB values 62, 33, 33 and HSL 0°, 31%, 19%. It is a dark colour, so white text on it reaches 14.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3E2121#3E2121
HEX#3E2121
RGBrgb(62, 33, 33)
RGB (0–1)0.2431, 0.1294, 0.1294
RGB percentages24.3%, 12.9%, 12.9%
HSLhsl(0, 30.5%, 18.6%)
HSV / HSBhsv(0, 46.8%, 24.3%)
CMYK0%, 46.8%, 46.8%, 75.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,071,713
CSS custom property--colour: #3E2121;

Brightness & contrast

Relative luminance0.02222WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.54:1
Contrast with white14.54:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#C1DEDE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#272621no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#2E2B20no green cones; the most common form, about 1% of men; ΔE 15 from the original
Tritanopia#431D21no blue cones; rare, and affects men and women equally; ΔE 4.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.54:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Black · ΔE 22.5Dark slate grey · ΔE 31.1Dim grey · ΔE 31.7Gray · ΔE 40Saddle brown · ΔE 42.6Slate grey · ΔE 43
Nearest named CSS colourBlack (#000000)ΔE 22.52, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#213E3E
Analogous#3E2130, #3E3021
Triadic#213E21, #21213E
Split complementary#213E30, #21303E
Tetradic#303E21, #213E3E, #30213E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B67575
Lighter +30%#A25656
Lighter +20%#814444
Lighter +10%#5F3333
Darker −10%#1D0F0F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4A1515
Less saturated −25%#322D2D

Channel breakdown

R62
G33
B33
Red62 (24.3%)
Green33 (12.9%)
Blue33 (12.9%)
Hue0°
Saturation (HSL)30.53%
Lightness18.63%
Dominant channelRed
Hex per channelR 3E · G 21 · B 21

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Every value on this page was computed from “3e2121” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.