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Recognised as Colour

#28006E

  • #28006E
  • Violet
  • Dark
  • Nearest: Indigo

#28006E is a violet with RGB values 40, 0, 110 and HSL 262°, 100%, 22%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#28006E#28006E
HEX#28006E
RGBrgb(40, 0, 110)
RGB (0–1)0.1569, 0, 0.4314
RGB percentages15.7%, 0%, 43.1%
HSLhsl(261.8, 100%, 21.6%)
HSV / HSBhsv(261.8, 100%, 43.1%)
CMYK63.6%, 100%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,621,550
CSS custom property--colour: #28006E;

Brightness & contrast

Relative luminance0.01577WCAG 2.x, 0 is black and 1 is white
Perceived brightness43.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.96:1
Contrast with white15.96:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#D7FF91

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002471no red cones; affects about 1% of men; ΔE 22.3 from the original
Deuteranopia#001E6Cno green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#00283Eno blue cones; rare, and affects men and women equally; ΔE 59.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.96:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Indigo · ΔE 10.7Navy · ΔE 12.4Midnight blue · ΔE 12.9Dark blue · ΔE 17.2Rebecca purple · ΔE 20.6Dark slateblue · ΔE 27.4
Nearest named CSS colourIndigo (#4B0082)ΔE 10.74, a distinctly different colour
Hue familyviolet
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#466E00
Analogous#000F6E, #5F006E
Triadic#6E2800, #006E28
Split complementary#6E5F00, #0F6E00
Tetradic#6E000F, #466E00, #006E5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#823BFF
Lighter +30%#6208FF
Lighter +20%#4D00D4
Lighter +10%#3B00A1
Darker −10%#15003B
Darker −20%#030008
Darker −30%#000000
Darker −40%#000000
More saturated +25%#28006E
Less saturated −25%#2C0E60

Channel breakdown

R40
G0
B110
Red40 (15.7%)
Green0 (0%)
Blue110 (43.1%)
Hue261.82°
Saturation (HSL)100%
Lightness21.57%
Dominant channelBlue
Hex per channelR 28 · G 00 · B 6E

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Every value on this page was computed from “28006e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.