Recognised as Colour

#B5092D

#B5092D
Red
Dark
Nearest: Firebrick

#B5092D is a red with RGB values 181, 9, 45 and HSL 347°, 91%, 37%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#B5092D#B5092D

HEX#B5092D

RGBrgb(181, 9, 45)

RGB (0–1)0.7098, 0.0353, 0.1765

RGB percentages71%, 3.5%, 17.6%

HSLhsl(347.4, 90.5%, 37.3%)

HSV / HSBhsv(347.4, 95%, 71%)

CMYK0%, 95%, 75.1%, 29%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,864,365

CSS custom property--colour: #B5092D;

Brightness & contrast

Relative luminance0.10209WCAG 2.x, 0 is black and 1 is white

Perceived brightness100.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.9:1

Contrast with white6.9:1WCAG normal text: AA

Contrast with black3.04:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#4AF6D2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4A442Cno red cones; affects about 1% of men; ΔE 65.9 from the original

Deuteranopia#716627no green cones; the most common form, about 1% of men; ΔE 66.3 from the original

Tritanopia#C8001Dno blue cones; rare, and affects men and women equally; ΔE 15.5 from the original

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

Contrast with white, large text6.9:1WCAG large text: AAA

Contrast with black, large text3.04:1WCAG large text: AA

Named colours

Firebrick · ΔE 9.4 Brown · ΔE 12.2 Crimson · ΔE 13.1 Dark red · ΔE 18.4 Maroon · ΔE 20.3 Indian red · ΔE 24.2

Nearest named CSS colourFirebrick (#B22222)ΔE 9.42, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#09B591

Analogous#B50983, #B53B09

Triadic#2DB509, #092DB5

Split complementary#09B53B, #0983B5

Tetradic#83B509, #09B591, #3B09B5

Tints, shades & saturation

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

Lighter +40%#FA90A6

Lighter +30%#F76080

Lighter +20%#F52F59

Lighter +10%#E60B39

Darker −10%#840721

Darker −20%#540415

Darker −30%#230209

Darker −40%#000000

More saturated +25%#BE0028

Less saturated −25%#9D213B

Channel breakdown

R181

B45

Red181 (71%)

Green9 (3.5%)

Blue45 (17.6%)

Hue347.44°

Saturation (HSL)90.53%

Lightness37.25%

Dominant channelRed

Hex per channelR B5 · G 09 · B 2D

Keep nerding

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

#B5092D

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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