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Recognised as Colour

#55333F

  • #55333F
  • Red
  • Dark
  • Nearest: Dim grey

#55333F is a red with RGB values 85, 51, 63 and HSL 339°, 25%, 27%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#55333F#55333F
HEX#55333F
RGBrgb(85, 51, 63)
RGB (0–1)0.3333, 0.2, 0.2471
RGB percentages33.3%, 20%, 24.7%
HSLhsl(338.8, 25%, 26.7%)
HSV / HSBhsv(338.8, 40%, 33.3%)
CMYK0%, 40%, 25.9%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,583,679
CSS custom property--colour: #55333F;

Brightness & contrast

Relative luminance0.04658WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.87:1
Contrast with white10.87:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#AACCC0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#37393Fno red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#403F3Eno green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#5A3137no blue cones; rare, and affects men and women equally; ΔE 5.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.87:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dim grey · ΔE 25.4Dark slate grey · ΔE 29.6Black · ΔE 31Gray · ΔE 32.8Slate grey · ΔE 34.7Light slate grey · ΔE 37.3
Nearest named CSS colourDim grey (#696969)ΔE 25.45, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#335549
Analogous#553350, #553833
Triadic#3F5533, #333F55
Split complementary#335538, #335055
Tetradic#505533, #335549, #383355

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BF95A4
Lighter +30%#AC7588
Lighter +20%#95596E
Lighter +10%#754657
Darker −10%#352027
Darker −20%#150D10
Darker −30%#000000
Darker −40%#000000
More saturated +25%#66223A
Less saturated −25%#444444

Channel breakdown

R85
G51
B63
Red85 (33.3%)
Green51 (20%)
Blue63 (24.7%)
Hue338.82°
Saturation (HSL)25%
Lightness26.67%
Dominant channelRed
Hex per channelR 55 · G 33 · B 3F

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Every value on this page was computed from “55333f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.