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Recognised as Colour

#280C7C

  • #280C7C
  • Violet
  • Dark
  • Nearest: Indigo

#280C7C is a violet with RGB values 40, 12, 124 and HSL 255°, 82%, 27%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#280C7C#280C7C
HEX#280C7C
RGBrgb(40, 12, 124)
RGB (0–1)0.1569, 0.0471, 0.4863
RGB percentages15.7%, 4.7%, 48.6%
HSLhsl(255, 82.4%, 26.7%)
HSV / HSBhsv(255, 90.3%, 48.6%)
CMYK67.7%, 90.3%, 0%, 51.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,624,636
CSS custom property--colour: #280C7C;

Brightness & contrast

Relative luminance0.02169WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.65:1
Contrast with white14.65:1WCAG normal text: AAA
Contrast with black1.43:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#D7F383

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002C7Fno red cones; affects about 1% of men; ΔE 21.9 from the original
Deuteranopia#00247Ano green cones; the most common form, about 1% of men; ΔE 17.6 from the original
Tritanopia#003247no blue cones; rare, and affects men and women equally; ΔE 63.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.65:1WCAG large text: AAA
Contrast with black, large text1.43:1WCAG large text: Fail

Named colours

Indigo · ΔE 9.8Navy · ΔE 9.8Midnight blue · ΔE 13.5Dark blue · ΔE 14.2Rebecca purple · ΔE 19Dark slateblue · ΔE 26.7
Nearest named CSS colourIndigo (#4B0082)ΔE 9.82, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#607C0C
Analogous#0C287C, #600C7C
Triadic#7C280C, #0C7C28
Split complementary#7C600C, #287C0C
Tetradic#7C0C28, #607C0C, #0C7C60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8764F0
Lighter +30%#6336EC
Lighter +20%#4615D9
Lighter +10%#3710AB
Darker −10%#19084E
Darker −20%#0A031F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#220088
Less saturated −25%#311D6B

Channel breakdown

R40
G12
B124
Red40 (15.7%)
Green12 (4.7%)
Blue124 (48.6%)
Hue255°
Saturation (HSL)82.35%
Lightness26.67%
Dominant channelBlue
Hex per channelR 28 · G 0C · B 7C

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Every value on this page was computed from “280c7c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.