Nerdulator> put something in

Recognised as Colour

#310D5F

  • #310D5F
  • Violet
  • Dark
  • Nearest: Midnight blue

#310D5F is a violet with RGB values 49, 13, 95 and HSL 266°, 76%, 21%. It is a dark colour, so white text on it reaches 15.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#310D5F#310D5F
HEX#310D5F
RGBrgb(49, 13, 95)
RGB (0–1)0.1922, 0.051, 0.3725
RGB percentages19.2%, 5.1%, 37.3%
HSLhsl(266.3, 75.9%, 21.2%)
HSV / HSBhsv(266.3, 86.3%, 37.3%)
CMYK48.4%, 86.3%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,214,687
CSS custom property--colour: #310D5F;

Brightness & contrast

Relative luminance0.01767WCAG 2.x, 0 is black and 1 is white
Perceived brightness43 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.52:1
Contrast with white15.52:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#CEF2A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002461no red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#00235Dno green cones; the most common form, about 1% of men; ΔE 21.4 from the original
Tritanopia#242537no blue cones; rare, and affects men and women equally; ΔE 42.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.52:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.6Dark slateblue · ΔE 19.3Rebecca purple · ΔE 20.9Indigo · ΔE 21.1Navy · ΔE 26.5Purple · ΔE 28.3
Nearest named CSS colourMidnight blue (#191970)ΔE 9.6, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3B5F0D
Analogous#0D125F, #5A0D5F
Triadic#5F310D, #0D5F31
Split complementary#5F5A0D, #125F0D
Tetradic#5F0D12, #3B5F0D, #0D5F5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9351E7
Lighter +30%#7724E1
Lighter +20%#5F19B9
Lighter +10%#48138C
Darker −10%#1A0732
Darker −20%#030105
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2F006C
Less saturated −25%#331B52

Channel breakdown

R49
G13
B95
Red49 (19.2%)
Green13 (5.1%)
Blue95 (37.3%)
Hue266.34°
Saturation (HSL)75.93%
Lightness21.18%
Dominant channelBlue
Hex per channelR 31 · G 0D · B 5F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “310d5f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.