Colour

#4B0423

#4B0423
Red
Dark
Nearest: Black

#4B0423 is a red with RGB values 75, 4, 35 and HSL 334°, 90%, 15%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#4B0423#4B0423

HEX#4B0423

RGBrgb(75, 4, 35)

RGB (0–1)0.2941, 0.0157, 0.1373

RGB percentages29.4%, 1.6%, 13.7%

HSLhsl(333.8, 89.9%, 15.5%)

HSV / HSBhsv(333.8, 94.7%, 29.4%)

CMYK0%, 94.7%, 53.3%, 70.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,916,259

CSS custom property--colour: #4B0423;

Brightness & contrast

Relative luminance0.01704WCAG 2.x, 0 is black and 1 is white

Perceived brightness42.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.66:1

Contrast with white15.66:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#B4FBDC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#171B24no red cones; affects about 1% of men; ΔE 33.9 from the original

Deuteranopia#2A2821no green cones; the most common form, about 1% of men; ΔE 34.5 from the original

Tritanopia#520013no blue cones; rare, and affects men and women equally; ΔE 13.2 from the original

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

Contrast with white, large text15.66:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 36.3 Brown · ΔE 41.1 Maroon · ΔE 41.4 Dim grey · ΔE 45.4 Sienna · ΔE 46 Dark red · ΔE 46.1

Nearest named CSS colourBlack (#000000)ΔE 36.35, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#044B2C

Analogous#4B0446, #4B0804

Triadic#234B04, #04234B

Split complementary#044B09, #04464B

Tetradic#474B04, #044B2C, #09044B

Tints, shades & saturation

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

Lighter +40%#F42781

Lighter +30%#DC0C67

Lighter +20%#AC0950

Lighter +10%#7B073A

Darker −10%#1B010C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4F0022

Less saturated −25%#410E24

Channel breakdown

R75

B35

Red75 (29.4%)

Green4 (1.6%)

Blue35 (13.7%)

Hue333.8°

Saturation (HSL)89.87%

Lightness15.49%

Dominant channelRed

Hex per channelR 4B · G 04 · B 23

Keep nerding

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

#4B0423

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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