Recognised as Colour

#BD181D

#BD181D
Red
Dark
Nearest: Firebrick

#BD181D is a red with RGB values 189, 24, 29 and HSL 358°, 77%, 42%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BD181D#BD181D

HEX#BD181D

RGBrgb(189, 24, 29)

RGB (0–1)0.7412, 0.0941, 0.1137

RGB percentages74.1%, 9.4%, 11.4%

HSLhsl(358.2, 77.5%, 41.8%)

HSV / HSBhsv(358.2, 87.3%, 74.1%)

CMYK0%, 87.3%, 84.7%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,392,477

CSS custom property--colour: #BD181D;

Brightness & contrast

Relative luminance0.11561WCAG 2.x, 0 is black and 1 is white

Perceived brightness105.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.34:1

Contrast with white6.34:1WCAG normal text: AA

Contrast with black3.31:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#42E7E2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#52491Ano red cones; affects about 1% of men; ΔE 66.2 from the original

Deuteranopia#796C13no green cones; the most common form, about 1% of men; ΔE 66.3 from the original

Tritanopia#D1001Dno blue cones; rare, and affects men and women equally; ΔE 9.7 from the original

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

Contrast with white, large text6.34:1WCAG large text: AAA

Contrast with black, large text3.31:1WCAG large text: AA

Named colours

Firebrick · ΔE 7.3 Crimson · ΔE 14.7 Dark red · ΔE 16.1 Brown · ΔE 16.9 Maroon · ΔE 20.4 Tomato · ΔE 22.3

Nearest named CSS colourFirebrick (#B22222)ΔE 7.31, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18BDB8

Analogous#BD186F, #BD6618

Triadic#1DBD18, #181DBD

Split complementary#18BD66, #186FBD

Tetradic#70BD18, #18BDB8, #6618BD

Tints, shades & saturation

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

Lighter +40%#F5ACAF

Lighter +30%#EF7F83

Lighter +20%#E95257

Lighter +10%#E3252A

Darker −10%#901216

Darker −20%#620D0F

Darker −30%#350708

Darker −40%#080101

More saturated +25%#D50006

Less saturated −25%#A23336

Channel breakdown

R189

G24

B29

Red189 (74.1%)

Green24 (9.4%)

Blue29 (11.4%)

Hue358.18°

Saturation (HSL)77.46%

Lightness41.76%

Dominant channelRed

Hex per channelR BD · G 18 · B 1D

Keep nerding

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

#BD181D

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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