Recognised as Colour

#8A2231

#8A2231
Red
Dark
Nearest: Brown

#8A2231 is a red with RGB values 138, 34, 49 and HSL 351°, 60%, 34%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8A2231#8A2231

HEX#8A2231

RGBrgb(138, 34, 49)

RGB (0–1)0.5412, 0.1333, 0.1922

RGB percentages54.1%, 13.3%, 19.2%

HSLhsl(351.3, 60.5%, 33.7%)

HSV / HSBhsv(351.3, 75.4%, 54.1%)

CMYK0%, 75.4%, 64.5%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,052,721

CSS custom property--colour: #8A2231;

Brightness & contrast

Relative luminance0.06769WCAG 2.x, 0 is black and 1 is white

Perceived brightness81.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.92:1

Contrast with white8.92:1WCAG normal text: AAA

Contrast with black2.35:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#75DDCE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3F3C31no red cones; affects about 1% of men; ΔE 46.7 from the original

Deuteranopia#59522Eno green cones; the most common form, about 1% of men; ΔE 47.6 from the original

Tritanopia#980028no blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text8.92:1WCAG large text: AAA

Contrast with black, large text2.35:1WCAG large text: Fail

Named colours

Brown · ΔE 15.6 Maroon · ΔE 21.8 Indian red · ΔE 22.6 Firebrick · ΔE 24.7 Dark red · ΔE 25.1 Sienna · ΔE 26.8

Nearest named CSS colourBrown (#A52A2A)ΔE 15.59, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#228A7B

Analogous#8A2265, #8A4722

Triadic#318A22, #22318A

Split complementary#228A47, #22658A

Tetradic#658A22, #228A7B, #47228A

Tints, shades & saturation

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

Lighter +40%#E5939F

Lighter +30%#DA6B7B

Lighter +20%#D04256

Lighter +10%#B32C40

Darker −10%#611822

Darker −20%#380E14

Darker −30%#0F0405

Darker −40%#000000

More saturated +25%#9F0C22

Less saturated −25%#743740

Channel breakdown

R138

G34

B49

Red138 (54.1%)

Green34 (13.3%)

Blue49 (19.2%)

Hue351.35°

Saturation (HSL)60.47%

Lightness33.73%

Dominant channelRed

Hex per channelR 8A · G 22 · B 31

Keep nerding

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

#8A2231

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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