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Colour

#63313E

  • #63313E
  • Red
  • Dark
  • Nearest: Dim grey

#63313E is a red with RGB values 99, 49, 62 and HSL 344°, 34%, 29%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#63313E#63313E
HEX#63313E
RGBrgb(99, 49, 62)
RGB (0–1)0.3882, 0.1922, 0.2431
RGB percentages38.8%, 19.2%, 24.3%
HSLhsl(344.4, 33.8%, 29%)
HSV / HSBhsv(344.4, 50.5%, 38.8%)
CMYK0%, 50.5%, 37.4%, 61.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,500,670
CSS custom property--colour: #63313E;

Brightness & contrast

Relative luminance0.05197WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.3:1
Contrast with white10.3:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#3D3D3D
Inverted#9CCEC1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#393B3Eno red cones; affects about 1% of men; ΔE 24.8 from the original
Deuteranopia#46443Dno green cones; the most common form, about 1% of men; ΔE 24.9 from the original
Tritanopia#6B2D36no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.3:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Dim grey · ΔE 29.7Gray · ΔE 35.7Black · ΔE 36.5Dark slate grey · ΔE 36.5Rosy brown · ΔE 37.3Sienna · ΔE 37.7
Nearest named CSS colourDim grey (#696969)ΔE 29.65, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#316356
Analogous#633157, #633D31
Triadic#3E6331, #313E63
Split complementary#31633D, #315763
Tetradic#576331, #316356, #3D3163

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CB95A3
Lighter +30%#BA7386
Lighter +20%#A75369
Lighter +10%#854253
Darker −10%#412029
Darker −20%#1F0F13
Darker −30%#000000
Darker −40%#000000
More saturated +25%#761F35
Less saturated −25%#514447

Channel breakdown

R99
G49
B62
Red99 (38.8%)
Green49 (19.2%)
Blue62 (24.3%)
Hue344.4°
Saturation (HSL)33.78%
Lightness29.02%
Dominant channelRed
Hex per channelR 63 · G 31 · B 3E

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Every value on this page was computed from “63313e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.