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Recognised as Colour

#240A13

  • #240A13
  • Red
  • Dark
  • Nearest: Black

#240A13 is a red with RGB values 36, 10, 19 and HSL 339°, 57%, 9%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#240A13#240A13
HEX#240A13
RGBrgb(36, 10, 19)
RGB (0–1)0.1412, 0.0392, 0.0745
RGB percentages14.1%, 3.9%, 7.5%
HSLhsl(339.2, 56.5%, 9%)
HSV / HSBhsv(339.2, 72.2%, 14.1%)
CMYK0%, 72.2%, 47.2%, 85.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,361,875
CSS custom property--colour: #240A13;

Brightness & contrast

Relative luminance0.00639WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.62:1
Contrast with white18.62:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#DBF5EC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0E1013no red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#151512no green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#28080Dno blue cones; rare, and affects men and women equally; ΔE 4.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.62:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 15.1Dark slate grey · ΔE 36.4Dim grey · ΔE 41.1Gray · ΔE 49.8Dark slateblue · ΔE 50.5Slate grey · ΔE 50.9
Nearest named CSS colourBlack (#000000)ΔE 15.13, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A241B
Analogous#240A20, #240E0A
Triadic#13240A, #0A1324
Split complementary#0A240E, #0A2024
Tetradic#20240A, #0A241B, #0E0A24

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C43667
Lighter +30%#9C2B52
Lighter +20%#74203D
Lighter +10%#4C1528
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2A0411
Less saturated −25%#1E1015

Channel breakdown

R36
G10
B19
Red36 (14.1%)
Green10 (3.9%)
Blue19 (7.5%)
Hue339.23°
Saturation (HSL)56.52%
Lightness9.02%
Dominant channelRed
Hex per channelR 24 · G 0A · B 13

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Every value on this page was computed from “240a13” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.