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Recognised as Colour

#613B3B

  • #613B3B
  • Red
  • Dark
  • Nearest: Dim grey

#613B3B is a red with RGB values 97, 59, 59 and HSL 0°, 24%, 31%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#613B3B#613B3B
HEX#613B3B
RGBrgb(97, 59, 59)
RGB (0–1)0.3804, 0.2314, 0.2314
RGB percentages38%, 23.1%, 23.1%
HSLhsl(0, 24.4%, 30.6%)
HSV / HSBhsv(0, 39.2%, 38%)
CMYK0%, 39.2%, 39.2%, 62%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,372,155
CSS custom property--colour: #613B3B;

Brightness & contrast

Relative luminance0.05985WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.56:1
Contrast with white9.56:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#9EC4C4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#42413Bno red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#4C483Ano green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#68373Bno blue cones; rare, and affects men and women equally; ΔE 5.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.56:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Dim grey · ΔE 23.6Gray · ΔE 30.3Dark slate grey · ΔE 30.5Rosy brown · ΔE 34.2Sienna · ΔE 34.4Black · ΔE 34.6
Nearest named CSS colourDim grey (#696969)ΔE 23.62, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B6161
Analogous#613B4E, #614E3B
Triadic#3B613B, #3B3B61
Split complementary#3B614E, #3B4E61
Tetradic#4E613B, #3B6161, #4E3B61

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6A2A2
Lighter +30%#B38282
Lighter +20%#A06262
Lighter +10%#814E4E
Darker −10%#412828
Darker −20%#221414
Darker −30%#020101
Darker −40%#000000
More saturated +25%#752828
Less saturated −25%#4E4E4E

Channel breakdown

R97
G59
B59
Red97 (38%)
Green59 (23.1%)
Blue59 (23.1%)
Hue0°
Saturation (HSL)24.36%
Lightness30.59%
Dominant channelRed
Hex per channelR 61 · G 3B · B 3B

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Every value on this page was computed from “613b3b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.