Colour

#A00A0F

#A00A0F
Red
Dark
Nearest: Firebrick

#A00A0F is a red with RGB values 160, 10, 15 and HSL 358°, 88%, 33%. It is a dark colour, so white text on it reaches 8.3:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A00A0F#A00A0F

HEX#A00A0F

RGBrgb(160, 10, 15)

RGB (0–1)0.6275, 0.0392, 0.0588

RGB percentages62.7%, 3.9%, 5.9%

HSLhsl(358, 88.2%, 33.3%)

HSV / HSBhsv(358, 93.8%, 62.7%)

CMYK0%, 93.8%, 90.6%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,488,335

CSS custom property--colour: #A00A0F;

Brightness & contrast

Relative luminance0.07725WCAG 2.x, 0 is black and 1 is white

Perceived brightness88 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.25:1

Contrast with white8.25:1WCAG normal text: AAA

Contrast with black2.55:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#5FF5F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433B0Cno red cones; affects about 1% of men; ΔE 60 from the original

Deuteranopia#655902no green cones; the most common form, about 1% of men; ΔE 59.6 from the original

Tritanopia#B10010no blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

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

Contrast with white, large text8.25:1WCAG large text: AAA

Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Firebrick · ΔE 6.7 Dark red · ΔE 6.9 Maroon · ΔE 11.2 Brown · ΔE 12.6 Crimson · ΔE 22 Sienna · ΔE 28.6

Nearest named CSS colourFirebrick (#B22222)ΔE 6.67, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0AA09B

Analogous#A00A5A, #A0500A

Triadic#0FA00A, #0A0FA0

Split complementary#0AA050, #0A5AA0

Tetradic#5AA00A, #0AA09B, #500AA0

Tints, shades & saturation

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

Lighter +40%#F77F83

Lighter +30%#F44F54

Lighter +20%#F11F26

Lighter +10%#D00D13

Darker −10%#70070A

Darker −20%#400406

Darker −30%#100101

Darker −40%#000000

More saturated +25%#AA0006

Less saturated −25%#8B1F23

Channel breakdown

R160

G10

B15

Red160 (62.7%)

Green10 (3.9%)

Blue15 (5.9%)

Hue358°

Saturation (HSL)88.24%

Lightness33.33%

Dominant channelRed

Hex per channelR A0 · G 0A · B 0F

Keep nerding

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

#A00A0F

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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