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Recognised as Colour

#280C23

  • #280C23
  • Magenta
  • Dark
  • Nearest: Black

#280C23 is a magenta with RGB values 40, 12, 35 and HSL 311°, 54%, 10%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#280C23#280C23
HEX#280C23
RGBrgb(40, 12, 35)
RGB (0–1)0.1569, 0.0471, 0.1373
RGB percentages15.7%, 4.7%, 13.7%
HSLhsl(310.7, 53.8%, 10.2%)
HSV / HSBhsv(310.7, 70%, 15.7%)
CMYK0%, 70%, 12.5%, 84.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,624,547
CSS custom property--colour: #280C23;

Brightness & contrast

Relative luminance0.00835WCAG 2.x, 0 is black and 1 is white
Perceived brightness26.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.99:1
Contrast with white17.99:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#141414
Inverted#D7F3DC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C1424no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#141822no green cones; the most common form, about 1% of men; ΔE 17.2 from the original
Tritanopia#2A0E15no blue cones; rare, and affects men and women equally; ΔE 11.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.99:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Black · ΔE 21.9Dark slate grey · ΔE 38.7Dark slateblue · ΔE 41Dim grey · ΔE 42.2Midnight blue · ΔE 43.3Slate grey · ΔE 49.7
Nearest named CSS colourBlack (#000000)ΔE 21.9, a distinctly different colour
Hue familymagenta
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0C2811
Analogous#1F0C28, #280C15
Triadic#23280C, #0C2328
Split complementary#15280C, #0C281F
Tetradic#281F0C, #0C2811, #0C1528

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C43CAC
Lighter +30%#9E2F8A
Lighter +20%#762468
Lighter +10%#4F1845
Darker −10%#010001
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2F0627
Less saturated −25%#22121F

Channel breakdown

R40
G12
B35
Red40 (15.7%)
Green12 (4.7%)
Blue35 (13.7%)
Hue310.71°
Saturation (HSL)53.85%
Lightness10.2%
Dominant channelRed
Hex per channelR 28 · G 0C · B 23

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Every value on this page was computed from “280c23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.