Recognised as Colour

#43181F

#43181F
Red
Dark
Nearest: Black

#43181F is a red with RGB values 67, 24, 31 and HSL 350°, 47%, 18%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#43181F#43181F

HEX#43181F

RGBrgb(67, 24, 31)

RGB (0–1)0.2627, 0.0941, 0.1216

RGB percentages26.3%, 9.4%, 12.2%

HSLhsl(350.2, 47.3%, 17.8%)

HSV / HSBhsv(350.2, 64.2%, 26.3%)

CMYK0%, 64.2%, 53.7%, 73.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,397,087

CSS custom property--colour: #43181F;

Brightness & contrast

Relative luminance0.01945WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.12:1

Contrast with white15.12:1WCAG normal text: AAA

Contrast with black1.39:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#BCE7E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#21211Fno red cones; affects about 1% of men; ΔE 22.6 from the original

Deuteranopia#2C291Eno green cones; the most common form, about 1% of men; ΔE 22.6 from the original

Tritanopia#49121Bno blue cones; rare, and affects men and women equally; ΔE 6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.12:1WCAG large text: AAA

Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Black · ΔE 27 Dim grey · ΔE 36.7 Dark slate grey · ΔE 38.1 Saddle brown · ΔE 42.1 Sienna · ΔE 42.2 Maroon · ΔE 43.1

Nearest named CSS colourBlack (#000000)ΔE 26.97, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18433C

Analogous#431835, #432718

Triadic#1F4318, #181F43

Split complementary#184327, #183543

Tetradic#354318, #18433C, #261843

Tints, shades & saturation

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

Lighter +40%#C66171

Lighter +30%#B44053

Lighter +20%#8E3342

Lighter +10%#692530

Darker −10%#1D0B0E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4E0D17

Less saturated −25%#382327

Channel breakdown

R67

G24

B31

Red67 (26.3%)

Green24 (9.4%)

Blue31 (12.2%)

Hue350.23°

Saturation (HSL)47.25%

Lightness17.84%

Dominant channelRed

Hex per channelR 43 · G 18 · B 1F

Keep nerding

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

#43181F

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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