Recognised as Colour

#390C1B

#390C1B
Red
Dark
Nearest: Black

#390C1B is a red with RGB values 57, 12, 27 and HSL 340°, 65%, 14%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#390C1B#390C1B

HEX#390C1B

RGBrgb(57, 12, 27)

RGB (0–1)0.2235, 0.0471, 0.1059

RGB percentages22.4%, 4.7%, 10.6%

HSLhsl(340, 65.2%, 13.5%)

HSV / HSBhsv(340, 78.9%, 22.4%)

CMYK0%, 78.9%, 52.6%, 77.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,738,651

CSS custom property--colour: #390C1B;

Brightness & contrast

Relative luminance0.01212WCAG 2.x, 0 is black and 1 is white

Perceived brightness33.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.9:1

Contrast with white16.9:1WCAG normal text: AAA

Contrast with black1.24:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#C6F3E4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#16171Bno red cones; affects about 1% of men; ΔE 23.6 from the original

Deuteranopia#22201Ano green cones; the most common form, about 1% of men; ΔE 24.2 from the original

Tritanopia#3F0612no blue cones; rare, and affects men and women equally; ΔE 7.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.9:1WCAG large text: AAA

Contrast with black, large text1.24:1WCAG large text: Fail

Named colours

Black · ΔE 25.9 Dim grey · ΔE 41.2 Dark slate grey · ΔE 41.2 Maroon · ΔE 46.1 Brown · ΔE 47.2 Saddle brown · ΔE 47.5

Nearest named CSS colourBlack (#000000)ΔE 25.93, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C392A

Analogous#390C31, #39140C

Triadic#1B390C, #0C1B39

Split complementary#0C3914, #0C3239

Tetradic#32390C, #0C392A, #140C39

Tints, shades & saturation

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

Lighter +40%#D63B6F

Lighter +30%#B72757

Lighter +20%#8D1E43

Lighter +10%#63152F

Darker −10%#0F0307

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#420318

Less saturated −25%#30151E

Channel breakdown

R57

G12

B27

Red57 (22.4%)

Green12 (4.7%)

Blue27 (10.6%)

Hue340°

Saturation (HSL)65.22%

Lightness13.53%

Dominant channelRed

Hex per channelR 39 · G 0C · B 1B

Keep nerding

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

#390C1B

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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