Colour

#A10E23

#A10E23
Red
Dark
Nearest: Brown

#A10E23 is a red with RGB values 161, 14, 35 and HSL 351°, 84%, 34%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A10E23#A10E23

HEX#A10E23

RGBrgb(161, 14, 35)

RGB (0–1)0.6314, 0.0549, 0.1373

RGB percentages63.1%, 5.5%, 13.7%

HSLhsl(351.4, 84%, 34.3%)

HSV / HSBhsv(351.4, 91.3%, 63.1%)

CMYK0%, 91.3%, 78.3%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,554,915

CSS custom property--colour: #A10E23;

Brightness & contrast

Relative luminance0.08012WCAG 2.x, 0 is black and 1 is white

Perceived brightness89.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.07:1

Contrast with white8.07:1WCAG normal text: AAA

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

Greyscale equivalent#2F2F2F

Inverted#5EF1DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433D22no red cones; affects about 1% of men; ΔE 59.6 from the original

Deuteranopia#655B1Dno green cones; the most common form, about 1% of men; ΔE 60 from the original

Tritanopia#B20019no blue cones; rare, and affects men and women equally; ΔE 12 from the original

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

Contrast with white, large text8.07:1WCAG large text: AAA

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

Named colours

Brown · ΔE 6.9 Firebrick · ΔE 8.7 Dark red · ΔE 13 Maroon · ΔE 13.6 Crimson · ΔE 20.3 Indian red · ΔE 23.7

Nearest named CSS colourBrown (#A52A2A)ΔE 6.86, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0EA18C

Analogous#A10E6C, #A1430E

Triadic#23A10E, #0E23A1

Split complementary#0EA143, #0E6CA1

Tetradic#6CA10E, #0EA18C, #430EA1

Tints, shades & saturation

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

Lighter +40%#F58696

Lighter +30%#F0586D

Lighter +20%#EC2945

Lighter +10%#D0122D

Darker −10%#720A19

Darker −20%#43060F

Darker −30%#140204

Darker −40%#000000

More saturated +25%#AF0019

Less saturated −25%#8B2433

Channel breakdown

R161

G14

B35

Red161 (63.1%)

Green14 (5.5%)

Blue35 (13.7%)

Hue351.43°

Saturation (HSL)84%

Lightness34.31%

Dominant channelRed

Hex per channelR A1 · G 0E · B 23

Keep nerding

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

#A10E23

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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