Recognised as Colour

#5B1838

#5B1838
Red
Dark
Nearest: Black

#5B1838 is a red with RGB values 91, 24, 56 and HSL 331°, 58%, 23%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#5B1838#5B1838

HEX#5B1838

RGBrgb(91, 24, 56)

RGB (0–1)0.3569, 0.0941, 0.2196

RGB percentages35.7%, 9.4%, 22%

HSLhsl(331.3, 58.3%, 22.5%)

HSV / HSBhsv(331.3, 73.6%, 35.7%)

CMYK0%, 73.6%, 38.5%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,969,976

CSS custom property--colour: #5B1838;

Brightness & contrast

Relative luminance0.03163WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.86:1

Contrast with white12.86:1WCAG normal text: AAA

Contrast with black1.63:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#A4E7C7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#242A39no red cones; affects about 1% of men; ΔE 32.7 from the original

Deuteranopia#363636no green cones; the most common form, about 1% of men; ΔE 33.8 from the original

Tritanopia#631225no blue cones; rare, and affects men and women equally; ΔE 14.2 from the original

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

Contrast with white, large text12.86:1WCAG large text: AAA

Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Black · ΔE 39.6 Dark slateblue · ΔE 40.5 Dim grey · ΔE 41.2 Brown · ΔE 41.4 Pale violetred · ΔE 41.8 Purple · ΔE 42.5

Nearest named CSS colourBlack (#000000)ΔE 39.58, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#185B3B

Analogous#5B185A, #5B1A18

Triadic#385B18, #18385B

Split complementary#185B19, #185A5B

Tetradic#5A5B18, #185B3B, #19185B

Tints, shades & saturation

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

Lighter +40%#D7689D

Lighter +30%#CC4083

Lighter +20%#AC2D6A

Lighter +10%#832351

Darker −10%#330D1F

Darker −20%#0A0306

Darker −30%#000000

Darker −40%#000000

More saturated +25%#690A37

Less saturated −25%#4D2639

Channel breakdown

R91

G24

B56

Red91 (35.7%)

Green24 (9.4%)

Blue56 (22%)

Hue331.34°

Saturation (HSL)58.26%

Lightness22.55%

Dominant channelRed

Hex per channelR 5B · G 18 · B 38

Keep nerding

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

#5B1838

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

Nerdulate something else