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Recognised as Colour

#240A0F

  • #240A0F
  • Red
  • Dark
  • Nearest: Black

#240A0F is a red with RGB values 36, 10, 15 and HSL 348°, 57%, 9%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#240A0F#240A0F
HEX#240A0F
RGBrgb(36, 10, 15)
RGB (0–1)0.1412, 0.0392, 0.0588
RGB percentages14.1%, 3.9%, 5.9%
HSLhsl(348.5, 56.5%, 9%)
HSV / HSBhsv(348.5, 72.2%, 14.1%)
CMYK0%, 72.2%, 58.3%, 85.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,361,871
CSS custom property--colour: #240A0F;

Brightness & contrast

Relative luminance0.00627WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.66:1
Contrast with white18.66:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#DBF5F0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F0F0Fno red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#16140Eno green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#28070Cno blue cones; rare, and affects men and women equally; ΔE 3.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.66:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 14.6Dark slate grey · ΔE 36.3Dim grey · ΔE 41Gray · ΔE 49.8Slate grey · ΔE 51.3Saddle brown · ΔE 51.8
Nearest named CSS colourBlack (#000000)ΔE 14.61, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0A241F
Analogous#240A1C, #24120A
Triadic#0F240A, #0A0F24
Split complementary#0A2412, #0A1C24
Tetradic#1C240A, #0A241F, #120A24

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C43652
Lighter +30%#9C2B41
Lighter +20%#742030
Lighter +10%#4C1520
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2A040B
Less saturated −25%#1E1013

Channel breakdown

R36
G10
B15
Red36 (14.1%)
Green10 (3.9%)
Blue15 (5.9%)
Hue348.46°
Saturation (HSL)56.52%
Lightness9.02%
Dominant channelRed
Hex per channelR 24 · G 0A · B 0F

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Every value on this page was computed from “240a0f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.