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Recognised as Colour

#683D50

  • #683D50
  • Red
  • Dark
  • Nearest: Dim grey

#683D50 is a red with RGB values 104, 61, 80 and HSL 333°, 26%, 32%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#683D50#683D50
HEX#683D50
RGBrgb(104, 61, 80)
RGB (0–1)0.4078, 0.2392, 0.3137
RGB percentages40.8%, 23.9%, 31.4%
HSLhsl(333.5, 26.1%, 32.4%)
HSV / HSBhsv(333.5, 41.3%, 40.8%)
CMYK0%, 41.3%, 23.1%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,831,440
CSS custom property--colour: #683D50;

Brightness & contrast

Relative luminance0.0686WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.85:1
Contrast with white8.85:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#97C2AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#424651no red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#4C4D4Fno green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#6E3B44no blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.85:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Dim grey · ΔE 25.5Gray · ΔE 31.2Slate grey · ΔE 32.8Dark slate grey · ΔE 33.5Rosy brown · ΔE 34Light slate grey · ΔE 35.1
Nearest named CSS colourDim grey (#696969)ΔE 25.52, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D6855
Analogous#683D65, #683F3D
Triadic#50683D, #3D5068
Split complementary#3D6840, #3D6568
Tetradic#65683D, #3D6855, #403D68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBA6B6
Lighter +30%#B8869C
Lighter +20%#A56682
Lighter +10%#885069
Darker −10%#482A37
Darker −20%#28171F
Darker −30%#080406
Darker −40%#000000
More saturated +25%#7D284E
Less saturated −25%#535252

Channel breakdown

R104
G61
B80
Red104 (40.8%)
Green61 (23.9%)
Blue80 (31.4%)
Hue333.49°
Saturation (HSL)26.06%
Lightness32.35%
Dominant channelRed
Hex per channelR 68 · G 3D · B 50

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Every value on this page was computed from “683d50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.