Recognised as Colour

#A21600

#A21600
Red
Dark
Nearest: Dark red

#A21600 is a red with RGB values 162, 22, 0 and HSL 8°, 100%, 32%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A21600#A21600

HEX#A21600

RGBrgb(162, 22, 0)

RGB (0–1)0.6353, 0.0863, 0

RGB percentages63.5%, 8.6%, 0%

HSLhsl(8.1, 100%, 31.8%)

HSV / HSBhsv(8.1, 100%, 63.5%)

CMYK0%, 86.4%, 100%, 36.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,622,464

CSS custom property--colour: #A21600;

Brightness & contrast

Relative luminance0.08255WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.92:1

Contrast with white7.92:1WCAG normal text: AAA

Contrast with black2.65:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#5DE9FF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#473E00no red cones; affects about 1% of men; ΔE 58.8 from the original

Deuteranopia#685C00no green cones; the most common form, about 1% of men; ΔE 58.1 from the original

Tritanopia#B30015no blue cones; rare, and affects men and women equally; ΔE 10 from the original

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

Contrast with white, large text7.92:1WCAG large text: AAA

Contrast with black, large text2.65:1WCAG large text: Fail

Named colours

Dark red · ΔE 9.7 Firebrick · ΔE 11.7 Maroon · ΔE 14.6 Brown · ΔE 18.3 Crimson · ΔE 25.9 Tomato · ΔE 28.1

Nearest named CSS colourDark red (#8B0000)ΔE 9.75, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#008CA2

Analogous#A2003B, #A26700

Triadic#00A216, #1600A2

Split complementary#00A267, #003BA2

Tetradic#3BA200, #008CA2, #6700A2

Tints, shades & saturation

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

Lighter +40%#FF836F

Lighter +30%#FF563C

Lighter +20%#FF2A09

Lighter +10%#D51D00

Darker −10%#6F0F00

Darker −20%#3C0800

Darker −30%#090100

Darker −40%#000000

More saturated +25%#A21600

Less saturated −25%#8E2514

Channel breakdown

R162

G22

Red162 (63.5%)

Green22 (8.6%)

Blue0 (0%)

Hue8.15°

Saturation (HSL)100%

Lightness31.76%

Dominant channelRed

Hex per channelR A2 · G 16 · B 00

Keep nerding

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

#A21600

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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