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Colour

#15003C

  • #15003C
  • Violet
  • Dark
  • Nearest: Midnight blue

#15003C is a violet with RGB values 21, 0, 60 and HSL 261°, 100%, 12%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#15003C#15003C
HEX#15003C
RGBrgb(21, 0, 60)
RGB (0–1)0.0824, 0, 0.2353
RGB percentages8.2%, 0%, 23.5%
HSLhsl(261, 100%, 11.8%)
HSV / HSBhsv(261, 100%, 23.5%)
CMYK65%, 100%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,376,316
CSS custom property--colour: #15003C;

Brightness & contrast

Relative luminance0.00486WCAG 2.x, 0 is black and 1 is white
Perceived brightness23.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.14:1
Contrast with white19.14:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#090909
Inverted#EAFFC3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00103Eno red cones; affects about 1% of men; ΔE 11.8 from the original
Deuteranopia#000E3Bno green cones; the most common form, about 1% of men; ΔE 12.4 from the original
Tritanopia#04121Fno blue cones; rare, and affects men and women equally; ΔE 35.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.14:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 20.9Dark slateblue · ΔE 28Rebecca purple · ΔE 36Indigo · ΔE 36.4Navy · ΔE 39.2Purple · ΔE 41.7
Nearest named CSS colourMidnight blue (#191970)ΔE 20.93, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#273C00
Analogous#00093C, #33003C
Triadic#3C1500, #003C15
Split complementary#3C3300, #093C00
Tetradic#3C0009, #273C00, #003C33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5F09FF
Lighter +30%#4B00D5
Lighter +20%#3900A2
Lighter +10%#27006F
Darker −10%#030009
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15003C
Less saturated −25%#170834

Channel breakdown

R21
G0
B60
Red21 (8.2%)
Green0 (0%)
Blue60 (23.5%)
Hue261°
Saturation (HSL)100%
Lightness11.76%
Dominant channelBlue
Hex per channelR 15 · G 00 · B 3C

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Every value on this page was computed from “15003c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.