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Recognised as Colour

#321A55

  • #321A55
  • Violet
  • Dark
  • Nearest: Dark slateblue

#321A55 is a violet with RGB values 50, 26, 85 and HSL 264°, 53%, 22%. It is a dark colour, so white text on it reaches 14.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#321A55#321A55
HEX#321A55
RGBrgb(50, 26, 85)
RGB (0–1)0.1961, 0.102, 0.3333
RGB percentages19.6%, 10.2%, 33.3%
HSLhsl(264.4, 53.2%, 21.8%)
HSV / HSBhsv(264.4, 69.4%, 33.3%)
CMYK41.2%, 69.4%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,283,541
CSS custom property--colour: #321A55;

Brightness & contrast

Relative luminance0.02073WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.85:1
Contrast with white14.85:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#CDE5AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002857no red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#002754no green cones; the most common form, about 1% of men; ΔE 18.8 from the original
Tritanopia#2A2734no blue cones; rare, and affects men and women equally; ΔE 31.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.85:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.3Midnight blue · ΔE 18.8Rebecca purple · ΔE 28.5Indigo · ΔE 33.8Purple · ΔE 35.9Navy · ΔE 39.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.28, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D551A
Analogous#1A2055, #4F1A55
Triadic#55321A, #1A5532
Split complementary#554F1A, #20551A
Tetradic#551A20, #3D551A, #1A554F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#946AD1
Lighter +30%#7843C5
Lighter +20%#6032A3
Lighter +10%#49267C
Darker −10%#1B0E2E
Darker −20%#040207
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2F0C63
Less saturated −25%#352847

Channel breakdown

R50
G26
B85
Red50 (19.6%)
Green26 (10.2%)
Blue85 (33.3%)
Hue264.41°
Saturation (HSL)53.15%
Lightness21.76%
Dominant channelBlue
Hex per channelR 32 · G 1A · B 55

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Every value on this page was computed from “321a55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.