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Colour

#150A18

  • #150A18
  • Violet
  • Dark
  • Nearest: Black

#150A18 is a violet with RGB values 21, 10, 24 and HSL 287°, 41%, 7%. It is a dark colour, so white text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#150A18#150A18
HEX#150A18
RGBrgb(21, 10, 24)
RGB (0–1)0.0824, 0.0392, 0.0941
RGB percentages8.2%, 3.9%, 9.4%
HSLhsl(287.1, 41.2%, 6.7%)
HSV / HSBhsv(287.1, 58.3%, 9.4%)
CMYK12.5%, 58.3%, 0%, 90.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,378,840
CSS custom property--colour: #150A18;

Brightness & contrast

Relative luminance0.00442WCAG 2.x, 0 is black and 1 is white
Perceived brightness16 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.29:1
Contrast with white19.29:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0D0D0D
Inverted#EAF5E7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#080D19no red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#0B0E18no green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#150C0Fno blue cones; rare, and affects men and women equally; ΔE 6.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.29:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 10Dark slate grey · ΔE 33Dim grey · ΔE 41.4Dark slateblue · ΔE 48.8Slate grey · ΔE 49.8Gray · ΔE 50.4
Nearest named CSS colourBlack (#000000)ΔE 9.96, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0D180A
Analogous#0E0A18, #180A14
Triadic#18150A, #0A1815
Split complementary#14180A, #0A180E
Tetradic#180E0A, #0D180A, #0A1418

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9346A8
Lighter +30%#733784
Lighter +20%#542860
Lighter +10%#35193C
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#17061C
Less saturated −25%#130E14

Channel breakdown

R21
G10
B24
Red21 (8.2%)
Green10 (3.9%)
Blue24 (9.4%)
Hue287.14°
Saturation (HSL)41.18%
Lightness6.67%
Dominant channelBlue
Hex per channelR 15 · G 0A · B 18

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Every value on this page was computed from “150a18” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.