Recognised as Colour

#97021B

#97021B
Red
Dark
Nearest: Brown

#97021B is a red with RGB values 151, 2, 27 and HSL 350°, 97%, 30%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#97021B#97021B

HEX#97021B

RGBrgb(151, 2, 27)

RGB (0–1)0.5922, 0.0078, 0.1059

RGB percentages59.2%, 0.8%, 10.6%

HSLhsl(349.9, 97.4%, 30%)

HSV / HSBhsv(349.9, 98.7%, 59.2%)

CMYK0%, 98.7%, 82.1%, 40.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,896,475

CSS custom property--colour: #97021B;

Brightness & contrast

Relative luminance0.06702WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.97:1

Contrast with white8.97:1WCAG normal text: AAA

Contrast with black2.34:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#68FDE4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3C361Ano red cones; affects about 1% of men; ΔE 58.5 from the original

Deuteranopia#5E5414no green cones; the most common form, about 1% of men; ΔE 58.6 from the original

Tritanopia#A70010no blue cones; rare, and affects men and women equally; ΔE 11.6 from the original

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

Contrast with white, large text8.97:1WCAG large text: AAA

Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Brown · ΔE 8 Firebrick · ΔE 10 Maroon · ΔE 10.5 Dark red · ΔE 10.5 Crimson · ΔE 23 Indian red · ΔE 26.1

Nearest named CSS colourBrown (#A52A2A)ΔE 8.04, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#02977E

Analogous#970265, #973402

Triadic#1B9702, #021B97

Split complementary#029734, #026597

Tetradic#669702, #02977E, #340297

Tints, shades & saturation

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

Lighter +40%#FD6881

Lighter +30%#FC3657

Lighter +20%#FC032D

Lighter +10%#C90324

Darker −10%#650112

Darker −20%#320109

Darker −30%#000000

Darker −40%#000000

More saturated +25%#99001A

Less saturated −25%#841528

Channel breakdown

R151

B27

Red151 (59.2%)

Green2 (0.8%)

Blue27 (10.6%)

Hue349.93°

Saturation (HSL)97.39%

Lightness30%

Dominant channelRed

Hex per channelR 97 · G 02 · B 1B

Keep nerding

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

#97021B

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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