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Recognised as Colour

#280E5F

  • #280E5F
  • Violet
  • Dark
  • Nearest: Midnight blue

#280E5F is a violet with RGB values 40, 14, 95 and HSL 259°, 74%, 21%. It is a dark colour, so white text on it reaches 15.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#280E5F#280E5F
HEX#280E5F
RGBrgb(40, 14, 95)
RGB (0–1)0.1569, 0.0549, 0.3725
RGB percentages15.7%, 5.5%, 37.3%
HSLhsl(259.3, 74.3%, 21.4%)
HSV / HSBhsv(259.3, 85.3%, 37.3%)
CMYK57.9%, 85.3%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,625,119
CSS custom property--colour: #280E5F;

Brightness & contrast

Relative luminance0.01591WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.93:1
Contrast with white15.93:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#D7F1A0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002461no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#00205Eno green cones; the most common form, about 1% of men; ΔE 16.9 from the original
Tritanopia#122637no blue cones; rare, and affects men and women equally; ΔE 46.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.93:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.7Dark slateblue · ΔE 19.3Indigo · ΔE 21.9Rebecca purple · ΔE 22.1Navy · ΔE 25.8Purple · ΔE 30.7
Nearest named CSS colourMidnight blue (#191970)ΔE 7.66, clearly different but related
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#455F0E
Analogous#0E1D5F, #500E5F
Triadic#5F280E, #0E5F28
Split complementary#5F500E, #1D5F0E
Tetradic#5F0E1D, #455F0E, #0E5F50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8253E6
Lighter +30%#6227DF
Lighter +20%#4D1BB8
Lighter +10%#3B158B
Darker −10%#150733
Darker −20%#030106
Darker −30%#000000
Darker −40%#000000
More saturated +25%#23006D
Less saturated −25%#2D1C51

Channel breakdown

R40
G14
B95
Red40 (15.7%)
Green14 (5.5%)
Blue95 (37.3%)
Hue259.26°
Saturation (HSL)74.31%
Lightness21.37%
Dominant channelBlue
Hex per channelR 28 · G 0E · B 5F

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Every value on this page was computed from “280e5f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.