Recognised as Colour

#3F0402

#3F0402
Red
Dark
Nearest: Black

#3F0402 is a red with RGB values 63, 4, 2 and HSL 2°, 94%, 13%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F0402#3F0402

HEX#3F0402

RGBrgb(63, 4, 2)

RGB (0–1)0.2471, 0.0157, 0.0078

RGB percentages24.7%, 1.6%, 0.8%

HSLhsl(2, 93.8%, 12.7%)

HSV / HSBhsv(2, 96.8%, 24.7%)

CMYK0%, 93.7%, 96.8%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,129,794

CSS custom property--colour: #3F0402;

Brightness & contrast

Relative luminance0.01148WCAG 2.x, 0 is black and 1 is white

Perceived brightness34.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.08:1

Contrast with white17.08:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#C0FBFD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#171301no red cones; affects about 1% of men; ΔE 29.8 from the original

Deuteranopia#262000no green cones; the most common form, about 1% of men; ΔE 29.6 from the original

Tritanopia#470004no blue cones; rare, and affects men and women equally; ΔE 4.9 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text17.08:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 33.1 Maroon · ΔE 34.3 Saddle brown · ΔE 37.6 Brown · ΔE 38.4 Dark red · ΔE 39.4 Sienna · ΔE 39.4

Nearest named CSS colourBlack (#000000)ΔE 33.08, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#023D3F

Analogous#3F021F, #3F2202

Triadic#023F04, #04023F

Split complementary#023F23, #021F3F

Tetradic#1F3F02, #023D3F, #22023F

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F81D15

Lighter +30%#D30D07

Lighter +20%#A20A05

Lighter +10%#700704

Darker −10%#0E0100

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#410200

Less saturated −25%#370C0A

Channel breakdown

R63

Red63 (24.7%)

Green4 (1.6%)

Blue2 (0.8%)

Hue1.97°

Saturation (HSL)93.85%

Lightness12.75%

Dominant channelRed

Hex per channelR 3F · G 04 · B 02

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#3F0402

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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