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Colour

#420C75

  • #420C75
  • Violet
  • Dark
  • Nearest: Indigo

#420C75 is a violet with RGB values 66, 12, 117 and HSL 271°, 81%, 25%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#420C75#420C75
HEX#420C75
RGBrgb(66, 12, 117)
RGB (0–1)0.2588, 0.0471, 0.4588
RGB percentages25.9%, 4.7%, 45.9%
HSLhsl(270.9, 81.4%, 25.3%)
HSV / HSBhsv(270.9, 89.7%, 45.9%)
CMYK43.6%, 89.7%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,328,565
CSS custom property--colour: #420C75;

Brightness & contrast

Relative luminance0.02706WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.63:1
Contrast with white13.63:1WCAG normal text: AAA
Contrast with black1.54:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#BDF38A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002E78no red cones; affects about 1% of men; ΔE 26 from the original
Deuteranopia#002D73no green cones; the most common form, about 1% of men; ΔE 27.6 from the original
Tritanopia#362C43no blue cones; rare, and affects men and women equally; ΔE 49 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.63:1WCAG large text: AAA
Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Indigo · ΔE 9.4Midnight blue · ΔE 13.1Rebecca purple · ΔE 14.2Navy · ΔE 18.2Purple · ΔE 21.5Dark blue · ΔE 22.2
Nearest named CSS colourIndigo (#4B0082)ΔE 9.36, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3F750C
Analogous#0E0C75, #750C73
Triadic#75420C, #0C7542
Split complementary#74750C, #0C750D
Tetradic#750D0C, #3F750C, #0C7375

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A95EEF
Lighter +30%#9030EA
Lighter +20%#7615D2
Lighter +10%#5C11A3
Darker −10%#280747
Darker −20%#0E0318
Darker −30%#000000
Darker −40%#000000
More saturated +25%#420081
Less saturated −25%#421C65

Channel breakdown

R66
G12
B117
Red66 (25.9%)
Green12 (4.7%)
Blue117 (45.9%)
Hue270.86°
Saturation (HSL)81.4%
Lightness25.29%
Dominant channelBlue
Hex per channelR 42 · G 0C · B 75

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Every value on this page was computed from “420c75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.