Colour

#8B003F

#8B003F
Red
Dark
Nearest: Brown

#8B003F is a red with RGB values 139, 0, 63 and HSL 333°, 100%, 27%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#8B003F#8B003F

HEX#8B003F

RGBrgb(139, 0, 63)

RGB (0–1)0.5451, 0, 0.2471

RGB percentages54.5%, 0%, 24.7%

HSLhsl(332.8, 100%, 27.3%)

HSV / HSBhsv(332.8, 100%, 54.5%)

CMYK0%, 100%, 54.7%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,109,567

CSS custom property--colour: #8B003F;

Brightness & contrast

Relative luminance0.05848WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.68:1

Contrast with white9.68:1WCAG normal text: AAA

Contrast with black2.17:1WCAG normal text: Fail

Greyscale equivalent#222222

Inverted#74FFC0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#303440no red cones; affects about 1% of men; ΔE 54.2 from the original

Deuteranopia#524D3Cno green cones; the most common form, about 1% of men; ΔE 55.1 from the original

Tritanopia#980022no blue cones; rare, and affects men and women equally; ΔE 22.9 from the original

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

Contrast with white, large text9.68:1WCAG large text: AAA

Contrast with black, large text2.17:1WCAG large text: Fail

Named colours

Brown · ΔE 27.2 Medium violet red · ΔE 31 Indian red · ΔE 31 Pale violetred · ΔE 32.9 Maroon · ΔE 33.7 Firebrick · ΔE 34.3

Nearest named CSS colourBrown (#A52A2A)ΔE 27.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008B4C

Analogous#8B0084, #8B0600

Triadic#3F8B00, #003F8B

Split complementary#008B06, #00848B

Tetradic#858B00, #008B4C, #07008B

Tints, shades & saturation

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

Lighter +40%#FF58A4

Lighter +30%#FF2588

Lighter +20%#F1006D

Lighter +10%#BE0056

Darker −10%#580028

Darker −20%#250011

Darker −30%#000000

Darker −40%#000000

More saturated +25%#8B003F

Less saturated −25%#7A1141

Channel breakdown

R139

B63

Red139 (54.5%)

Green0 (0%)

Blue63 (24.7%)

Hue332.81°

Saturation (HSL)100%

Lightness27.25%

Dominant channelRed

Hex per channelR 8B · G 00 · B 3F

Keep nerding

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#8B003F

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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