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Colour

#0A0018

  • #0A0018
  • Violet
  • Dark
  • Nearest: Black

#0A0018 is a violet with RGB values 10, 0, 24 and HSL 265°, 100%, 5%. It is a dark colour, so white text on it reaches 20.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0A0018#0A0018
HEX#0A0018
RGBrgb(10, 0, 24)
RGB (0–1)0.0392, 0, 0.0941
RGB percentages3.9%, 0%, 9.4%
HSLhsl(265, 100%, 4.7%)
HSV / HSBhsv(265, 100%, 9.4%)
CMYK58.3%, 100%, 0%, 90.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer655,384
CSS custom property--colour: #0A0018;

Brightness & contrast

Relative luminance0.0013WCAG 2.x, 0 is black and 1 is white
Perceived brightness9.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.47:1
Contrast with white20.47:1WCAG normal text: AAA
Contrast with black1.03:1WCAG normal text: Fail
Greyscale equivalent#040404
Inverted#F5FFE7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000419no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#000417no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#070409no blue cones; rare, and affects men and women equally; ΔE 10.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.47:1WCAG large text: AAA
Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 12.5Dark slate grey · ΔE 36Dim grey · ΔE 45Dark slateblue · ΔE 47.4Midnight blue · ΔE 48.6Slate grey · ΔE 52.4
Nearest named CSS colourBlack (#000000)ΔE 12.54, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0E1800
Analogous#000218, #160018
Triadic#180A00, #00180A
Split complementary#181600, #021800
Tetradic#180002, #0E1800, #001816

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5F00E4
Lighter +30%#4A00B1
Lighter +20%#35007E
Lighter +10%#1F004B
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A0018
Less saturated −25%#0B0315

Channel breakdown

R10
G0
B24
Red10 (3.9%)
Green0 (0%)
Blue24 (9.4%)
Hue265°
Saturation (HSL)100%
Lightness4.71%
Dominant channelBlue
Hex per channelR 0A · G 00 · B 18

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Every value on this page was computed from “0a0018” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.