Recognised as Colour

#3F1A18

#3F1A18
Red
Dark
Nearest: Black

#3F1A18 is a red with RGB values 63, 26, 24 and HSL 3°, 45%, 17%. It is a dark colour, so white text on it reaches 15.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F1A18#3F1A18

HEX#3F1A18

RGBrgb(63, 26, 24)

RGB (0–1)0.2471, 0.102, 0.0941

RGB percentages24.7%, 10.2%, 9.4%

HSLhsl(3.1, 44.8%, 17.1%)

HSV / HSBhsv(3.1, 61.9%, 24.7%)

CMYK0%, 58.7%, 61.9%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,135,448

CSS custom property--colour: #3F1A18;

Brightness & contrast

Relative luminance0.01861WCAG 2.x, 0 is black and 1 is white

Perceived brightness40.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.3:1

Contrast with white15.3:1WCAG normal text: AAA

Contrast with black1.37:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#C0E5E7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#232018no red cones; affects about 1% of men; ΔE 18.7 from the original

Deuteranopia#2C2817no green cones; the most common form, about 1% of men; ΔE 19.3 from the original

Tritanopia#45141Ano blue cones; rare, and affects men and women equally; ΔE 6.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.3:1WCAG large text: AAA

Contrast with black, large text1.37:1WCAG large text: Fail

Named colours

Black · ΔE 25.2 Dim grey · ΔE 36 Dark slate grey · ΔE 36.5 Saddle brown · ΔE 39.4 Sienna · ΔE 40.5 Maroon · ΔE 42.7

Nearest named CSS colourBlack (#000000)ΔE 25.18, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#183D3F

Analogous#3F1829, #3F2E18

Triadic#183F1A, #1A183F

Split complementary#183F2E, #18293F

Tetradic#293F18, #183D3F, #2E183F

Tints, shades & saturation

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

Lighter +40%#C36560

Lighter +30%#AE4842

Lighter +20%#893834

Lighter +10%#642926

Darker −10%#1A0B0A

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4A100D

Less saturated −25%#342423

Channel breakdown

R63

G26

B24

Red63 (24.7%)

Green26 (10.2%)

Blue24 (9.4%)

Hue3.08°

Saturation (HSL)44.83%

Lightness17.06%

Dominant channelRed

Hex per channelR 3F · G 1A · B 18

Keep nerding

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

#3F1A18

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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