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Recognised as Colour

#370B31

  • #370B31
  • Magenta
  • Dark
  • Nearest: Black

#370B31 is a magenta with RGB values 55, 11, 49 and HSL 308°, 67%, 13%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#370B31#370B31
HEX#370B31
RGBrgb(55, 11, 49)
RGB (0–1)0.2157, 0.0431, 0.1922
RGB percentages21.6%, 4.3%, 19.2%
HSLhsl(308.2, 66.7%, 12.9%)
HSV / HSBhsv(308.2, 80%, 21.6%)
CMYK0%, 80%, 10.9%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,607,345
CSS custom property--colour: #370B31;

Brightness & contrast

Relative luminance0.01273WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.74:1
Contrast with white16.74:1WCAG normal text: AAA
Contrast with black1.25:1WCAG normal text: Fail
Greyscale equivalent#171717
Inverted#C8F4CE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A1A32no red cones; affects about 1% of men; ΔE 24 from the original
Deuteranopia#192030no green cones; the most common form, about 1% of men; ΔE 24.9 from the original
Tritanopia#3A0F1Cno blue cones; rare, and affects men and women equally; ΔE 16.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.74:1WCAG large text: AAA
Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 32.2Dark slateblue · ΔE 34.4Midnight blue · ΔE 36.3Rebecca purple · ΔE 42.9Purple · ΔE 43.5Dark slate grey · ΔE 44.7
Nearest named CSS colourBlack (#000000)ΔE 32.17, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0B3711
Analogous#270B37, #370B1B
Triadic#31370B, #0B3137
Split complementary#1B370B, #0B3727
Tetradic#37270B, #0B3711, #0B1B37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D737C1
Lighter +30%#B725A3
Lighter +20%#8C1C7D
Lighter +10%#621357
Darker −10%#0D030B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3F0337
Less saturated −25%#2F132B

Channel breakdown

R55
G11
B49
Red55 (21.6%)
Green11 (4.3%)
Blue49 (19.2%)
Hue308.18°
Saturation (HSL)66.67%
Lightness12.94%
Dominant channelRed
Hex per channelR 37 · G 0B · B 31

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Every value on this page was computed from “370b31” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.