Nerdulator> put something in

Recognised as Colour

#421C83

  • #421C83
  • Violet
  • Dark
  • Nearest: Indigo

#421C83 is a violet with RGB values 66, 28, 131 and HSL 262°, 65%, 31%. It is a dark colour, so white text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#421C83#421C83
HEX#421C83
RGBrgb(66, 28, 131)
RGB (0–1)0.2588, 0.1098, 0.5137
RGB percentages25.9%, 11%, 51.4%
HSLhsl(262.1, 64.8%, 31.2%)
HSV / HSBhsv(262.1, 78.6%, 51.4%)
CMYK49.6%, 78.6%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,332,675
CSS custom property--colour: #421C83;

Brightness & contrast

Relative luminance0.03627WCAG 2.x, 0 is black and 1 is white
Perceived brightness61 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.17:1
Contrast with white12.17:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#BDE37C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003786no red cones; affects about 1% of men; ΔE 23.8 from the original
Deuteranopia#003481no green cones; the most common form, about 1% of men; ΔE 23.8 from the original
Tritanopia#2E384Fno blue cones; rare, and affects men and women equally; ΔE 52.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.17:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Indigo · ΔE 10.5Rebecca purple · ΔE 11.2Midnight blue · ΔE 11.9Navy · ΔE 17.8Dark slateblue · ΔE 19.7Dark blue · ΔE 21.3
Nearest named CSS colourIndigo (#4B0082)ΔE 10.54, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D831C
Analogous#1C2A83, #751C83
Triadic#83421C, #1C8342
Split complementary#83751C, #2A831C
Tetradic#831C2A, #5D831C, #1C8375

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A986E5
Lighter +30%#8B5CDC
Lighter +20%#6D32D3
Lighter +10%#5725AD
Darker −10%#2D1359
Darker −20%#180A2F
Darker −30%#020105
Darker −40%#000000
More saturated +25%#3D0897
Less saturated −25%#47306F

Channel breakdown

R66
G28
B131
Red66 (25.9%)
Green28 (11%)
Blue131 (51.4%)
Hue262.14°
Saturation (HSL)64.78%
Lightness31.18%
Dominant channelBlue
Hex per channelR 42 · G 1C · B 83

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 “421c83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.