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Colour

#321B3D

  • #321B3D
  • Violet
  • Dark
  • Nearest: Black

#321B3D is a violet with RGB values 50, 27, 61 and HSL 281°, 39%, 17%. It is a dark colour, so white text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#321B3D#321B3D
HEX#321B3D
RGBrgb(50, 27, 61)
RGB (0–1)0.1961, 0.1059, 0.2392
RGB percentages19.6%, 10.6%, 23.9%
HSLhsl(280.6, 38.6%, 17.3%)
HSV / HSBhsv(280.6, 55.7%, 23.9%)
CMYK18%, 55.7%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,283,773
CSS custom property--colour: #321B3D;

Brightness & contrast

Relative luminance0.01799WCAG 2.x, 0 is black and 1 is white
Perceived brightness40 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.44:1
Contrast with white15.44:1WCAG normal text: AAA
Contrast with black1.36:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#CDE4C2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#14233Eno red cones; affects about 1% of men; ΔE 15.1 from the original
Deuteranopia#1A253Cno green cones; the most common form, about 1% of men; ΔE 15.6 from the original
Tritanopia#312029no blue cones; rare, and affects men and women equally; ΔE 17 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.44:1WCAG large text: AAA
Contrast with black, large text1.36:1WCAG large text: Fail

Named colours

Black · ΔE 29.3Dark slateblue · ΔE 30.6Midnight blue · ΔE 34.8Dark slate grey · ΔE 37.3Dim grey · ΔE 39.4Rebecca purple · ΔE 42.6
Nearest named CSS colourBlack (#000000)ΔE 29.29, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#263D1B
Analogous#211B3D, #3D1B37
Triadic#3D321B, #1B3D32
Split complementary#373D1B, #1B3D21
Tetradic#3D211B, #263D1B, #1B373D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A168BC
Lighter +30%#894AA7
Lighter +20%#6C3A84
Lighter +10%#4F2B60
Darker −10%#150B1A
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#361048
Less saturated −25%#2E2632

Channel breakdown

R50
G27
B61
Red50 (19.6%)
Green27 (10.6%)
Blue61 (23.9%)
Hue280.59°
Saturation (HSL)38.64%
Lightness17.25%
Dominant channelBlue
Hex per channelR 32 · G 1B · B 3D

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Every value on this page was computed from “321b3d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.