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Recognised as Colour

#3D403D

  • #3D403D
  • Grey
  • Dark
  • Nearest: Dark slate grey

#3D403D is a grey with RGB values 61, 64, 61 and HSL 120°, 2%, 25%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3D403D#3D403D
HEX#3D403D
RGBrgb(61, 64, 61)
RGB (0–1)0.2392, 0.251, 0.2392
RGB percentages23.9%, 25.1%, 23.9%
HSLhsl(120, 2.4%, 24.5%)
HSV / HSBhsv(120, 4.7%, 25.1%)
CMYK4.7%, 0%, 4.7%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,014,141
CSS custom property--colour: #3D403D;

Brightness & contrast

Relative luminance0.04996WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.5:1
Contrast with white10.5:1WCAG normal text: AAA
Contrast with black2:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#C2BFC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#403F3Dno red cones; affects about 1% of men; ΔE 1.9 from the original
Deuteranopia#403F3Dno green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#3D403Fno blue cones; rare, and affects men and women equally; ΔE 1.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.5:1WCAG large text: AAA
Contrast with black, large text2:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.9Dim grey · ΔE 17.9Black · ΔE 26.8Gray · ΔE 27Slate grey · ΔE 28.7Light slate grey · ΔE 31.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.94, a distinctly different colour
Hue familygrey
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#403D40
Analogous#3F403D, #3D403F
Triadic#3D3D40, #403D3D
Split complementary#3F3D40, #403D3F
Tetradic#3D3F40, #403D40, #403F3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A2A7A2
Lighter +30%#888E88
Lighter +20%#6F746F
Lighter +10%#565A56
Darker −10%#242624
Darker −20%#0B0C0B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2D502D
Less saturated −25%#3F3F3F

Channel breakdown

R61
G64
B61
Red61 (23.9%)
Green64 (25.1%)
Blue61 (23.9%)
Hue120°
Saturation (HSL)2.4%
Lightness24.51%
Dominant channelGreen
Hex per channelR 3D · G 40 · B 3D

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Every value on this page was computed from “3d403d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.