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Recognised as Colour

#37283D

  • #37283D
  • Violet
  • Dark
  • Nearest: Black

#37283D is a violet with RGB values 55, 40, 61 and HSL 283°, 21%, 20%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#37283D#37283D
HEX#37283D
RGBrgb(55, 40, 61)
RGB (0–1)0.2157, 0.1569, 0.2392
RGB percentages21.6%, 15.7%, 23.9%
HSLhsl(282.9, 20.8%, 19.8%)
HSV / HSBhsv(282.9, 34.4%, 23.9%)
CMYK9.8%, 34.4%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,614,781
CSS custom property--colour: #37283D;

Brightness & contrast

Relative luminance0.02667WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.7:1
Contrast with white13.7:1WCAG normal text: AAA
Contrast with black1.53:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#C8D7C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#252C3Eno red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#282E3Cno green cones; the most common form, about 1% of men; ΔE 10.4 from the original
Tritanopia#372A30no blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.7:1WCAG large text: AAA
Contrast with black, large text1.53:1WCAG large text: Fail

Named colours

Black · ΔE 24.5Dark slate grey · ΔE 27.5Dim grey · ΔE 30.2Dark slateblue · ΔE 36.6Slate grey · ΔE 36.9Gray · ΔE 38.4
Nearest named CSS colourBlack (#000000)ΔE 24.47, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2E3D28
Analogous#2D283D, #3D2839
Triadic#3D3728, #283D37
Split complementary#383D28, #283D2D
Tetradic#3D2D28, #2E3D28, #28383D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A283AE
Lighter +30%#8A6599
Lighter +20%#6F507B
Lighter +10%#533C5C
Darker −10%#1B141E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3C1B4A
Less saturated −25%#333333

Channel breakdown

R55
G40
B61
Red55 (21.6%)
Green40 (15.7%)
Blue61 (23.9%)
Hue282.86°
Saturation (HSL)20.79%
Lightness19.8%
Dominant channelBlue
Hex per channelR 37 · G 28 · B 3D

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Every value on this page was computed from “37283d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.