Recognised as Colour

#A11103

#A11103
Red
Dark
Nearest: Dark red

#A11103 is a red with RGB values 161, 17, 3 and HSL 5°, 96%, 32%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark red.

Colour values

#A11103#A11103

HEX#A11103

RGBrgb(161, 17, 3)

RGB (0–1)0.6314, 0.0667, 0.0118

RGB percentages63.1%, 6.7%, 1.2%

HSLhsl(5.3, 96.3%, 32.2%)

HSV / HSBhsv(5.3, 98.1%, 63.1%)

CMYK0%, 89.4%, 98.1%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,555,651

CSS custom property--colour: #A11103;

Brightness & contrast

Relative luminance0.07985WCAG 2.x, 0 is black and 1 is white

Perceived brightness89 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.09:1

Contrast with white8.09:1WCAG normal text: AAA

Contrast with black2.6:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#5EEEFC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#453C00no red cones; affects about 1% of men; ΔE 59.2 from the original

Deuteranopia#675B00no green cones; the most common form, about 1% of men; ΔE 58.7 from the original

Tritanopia#B20012no blue cones; rare, and affects men and women equally; ΔE 8 from the original

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

Contrast with white, large text8.09:1WCAG large text: AAA

Contrast with black, large text2.6:1WCAG large text: Fail

Named colours

Dark red · ΔE 8.5 Firebrick · ΔE 10.4 Maroon · ΔE 13.5 Brown · ΔE 17 Crimson · ΔE 24.7 Tomato · ΔE 28.5

Nearest named CSS colourDark red (#8B0000)ΔE 8.54, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0393A1

Analogous#A10344, #A16003

Triadic#03A111, #1103A1

Split complementary#03A160, #0344A1

Tetradic#44A103, #0393A1, #6003A1

Tints, shades & saturation

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

Lighter +40%#FC8074

Lighter +30%#FB5242

Lighter +20%#FB240F

Lighter +10%#D31604

Darker −10%#6F0C02

Darker −20%#3D0601

Darker −30%#0B0100

Darker −40%#000000

More saturated +25%#A40F00

Less saturated −25%#8C2218

Channel breakdown

R161

G17

Red161 (63.1%)

Green17 (6.7%)

Blue3 (1.2%)

Hue5.32°

Saturation (HSL)96.34%

Lightness32.16%

Dominant channelRed

Hex per channelR A1 · G 11 · B 03

Keep nerding

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

#A11103

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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