Colour

#B51D58

#B51D58
Red
Dark
Nearest: Medium violet red

#B51D58 is a red with RGB values 181, 29, 88 and HSL 337°, 72%, 41%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium violet red.

Colour values

#B51D58#B51D58

HEX#B51D58

RGBrgb(181, 29, 88)

RGB (0–1)0.7098, 0.1137, 0.3451

RGB percentages71%, 11.4%, 34.5%

HSLhsl(336.7, 72.4%, 41.2%)

HSV / HSBhsv(336.7, 84%, 71%)

CMYK0%, 84%, 51.4%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,869,528

CSS custom property--colour: #B51D58;

Brightness & contrast

Relative luminance0.11407WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.4:1

Contrast with white6.4:1WCAG normal text: AA

Contrast with black3.28:1WCAG normal text: Fail

Greyscale equivalent#424242

Inverted#4AE2A7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#474C59no red cones; affects about 1% of men; ΔE 62 from the original

Deuteranopia#6F6954no green cones; the most common form, about 1% of men; ΔE 62.9 from the original

Tritanopia#C60039no blue cones; rare, and affects men and women equally; ΔE 23.1 from the original

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

Contrast with white, large text6.4:1WCAG large text: AAA

Contrast with black, large text3.28:1WCAG large text: AA

Named colours

Medium violet red · ΔE 23.7 Pale violetred · ΔE 26.1 Indian red · ΔE 26.4 Brown · ΔE 27.3 Crimson · ΔE 30.3 Hot pink · ΔE 30.3

Nearest named CSS colourMedium violet red (#C71585)ΔE 23.69, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1DB57A

Analogous#B51DA4, #B52E1D

Triadic#58B51D, #1D58B5

Split complementary#1DB52E, #1DA4B5

Tetradic#A4B51D, #1DB57A, #2E1DB5

Tints, shades & saturation

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

Lighter +40%#F2ACC7

Lighter +30%#EB80AA

Lighter +20%#E4548C

Lighter +10%#DD286E

Darker −10%#891643

Darker −20%#5D0F2D

Darker −30%#310818

Darker −40%#050103

More saturated +25%#CF0352

Less saturated −25%#9B375E

Channel breakdown

R181

G29

B88

Red181 (71%)

Green29 (11.4%)

Blue88 (34.5%)

Hue336.71°

Saturation (HSL)72.38%

Lightness41.18%

Dominant channelRed

Hex per channelR B5 · G 1D · B 58

Keep nerding

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

#B51D58

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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