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Colour

#2F0837

  • #2F0837
  • Violet
  • Dark
  • Nearest: Midnight blue

#2F0837 is a violet with RGB values 47, 8, 55 and HSL 290°, 75%, 12%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2F0837#2F0837
HEX#2F0837
RGBrgb(47, 8, 55)
RGB (0–1)0.1843, 0.0314, 0.2157
RGB percentages18.4%, 3.1%, 21.6%
HSLhsl(289.8, 74.6%, 12.4%)
HSV / HSBhsv(289.8, 85.5%, 21.6%)
CMYK14.5%, 85.5%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,082,295
CSS custom property--colour: #2F0837;

Brightness & contrast

Relative luminance0.01054WCAG 2.x, 0 is black and 1 is white
Perceived brightness32.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.34:1
Contrast with white17.34:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#D0F7C8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001838no red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#0C1C36no green cones; the most common form, about 1% of men; ΔE 23.5 from the original
Tritanopia#2F111Fno blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.34:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 29.6Dark slateblue · ΔE 30Black · ΔE 35.7Rebecca purple · ΔE 38.5Purple · ΔE 40.7Indigo · ΔE 42
Nearest named CSS colourMidnight blue (#191970)ΔE 29.62, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#103708
Analogous#170837, #370828
Triadic#372F08, #08372F
Split complementary#283708, #083717
Tetradic#371708, #103708, #082837

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C12BE0
Lighter +30%#A11BBD
Lighter +20%#7B1590
Lighter +10%#550E64
Darker −10%#09020A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#34003F
Less saturated −25%#2A102F

Channel breakdown

R47
G8
B55
Red47 (18.4%)
Green8 (3.1%)
Blue55 (21.6%)
Hue289.79°
Saturation (HSL)74.6%
Lightness12.35%
Dominant channelBlue
Hex per channelR 2F · G 08 · B 37

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Every value on this page was computed from “2f0837” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.