Recognised as Colour

#A6363F

#A6363F
Red
Dark
Nearest: Brown

#A6363F is a red with RGB values 166, 54, 63 and HSL 355°, 51%, 43%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#A6363F#A6363F

HEX#A6363F

RGBrgb(166, 54, 63)

RGB (0–1)0.651, 0.2118, 0.2471

RGB percentages65.1%, 21.2%, 24.7%

HSLhsl(355.2, 50.9%, 43.1%)

HSV / HSBhsv(355.2, 67.5%, 65.1%)

CMYK0%, 67.5%, 62%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,892,863

CSS custom property--colour: #A6363F;

Brightness & contrast

Relative luminance0.11104WCAG 2.x, 0 is black and 1 is white

Perceived brightness102 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.52:1

Contrast with white6.52:1WCAG normal text: AA

Contrast with black3.22:1WCAG normal text: Fail

Greyscale equivalent#4E4E4E

Inverted#59C9C0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#534F3Fno red cones; affects about 1% of men; ΔE 49.4 from the original

Deuteranopia#6F663Cno green cones; the most common form, about 1% of men; ΔE 49.8 from the original

Tritanopia#B61C3Ano blue cones; rare, and affects men and women equally; ΔE 13.6 from the original

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

Contrast with white, large text6.52:1WCAG large text: AAA

Contrast with black, large text3.22:1WCAG large text: AA

Named colours

Brown · ΔE 10.8 Indian red · ΔE 13.8 Firebrick · ΔE 19.6 Maroon · ΔE 22.7 Sienna · ΔE 23.3 Dark red · ΔE 24.3

Nearest named CSS colourBrown (#A52A2A)ΔE 10.82, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#36A69D

Analogous#A63677, #A66536

Triadic#3FA636, #363FA6

Split complementary#36A665, #3677A6

Tetradic#77A636, #36A69D, #6536A6

Tints, shades & saturation

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

Lighter +40%#EABEC2

Lighter +30%#DD989D

Lighter +20%#D17179

Lighter +10%#C44B54

Darker −10%#802930

Darker −20%#591D22

Darker −30%#331013

Darker −40%#0C0405

More saturated +25%#C21B28

Less saturated −25%#8B5256

Channel breakdown

R166

G54

B63

Red166 (65.1%)

Green54 (21.2%)

Blue63 (24.7%)

Hue355.18°

Saturation (HSL)50.91%

Lightness43.14%

Dominant channelRed

Hex per channelR A6 · G 36 · B 3F

Keep nerding

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

#A6363F

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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