Recognised as Colour

#A23017

#A23017
Red
Dark
Nearest: Firebrick

#A23017 is a red with RGB values 162, 48, 23 and HSL 11°, 75%, 36%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A23017#A23017

HEX#A23017

RGBrgb(162, 48, 23)

RGB (0–1)0.6353, 0.1882, 0.0902

RGB percentages63.5%, 18.8%, 9%

HSLhsl(10.8, 75.1%, 36.3%)

HSV / HSBhsv(10.8, 85.8%, 63.5%)

CMYK0%, 70.4%, 85.8%, 36.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,629,143

CSS custom property--colour: #A23017;

Brightness & contrast

Relative luminance0.09857WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.07:1

Contrast with white7.07:1WCAG normal text: AAA

Contrast with black2.97:1WCAG normal text: Fail

Greyscale equivalent#464646

Inverted#5DCFE8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#524812no red cones; affects about 1% of men; ΔE 49.7 from the original

Deuteranopia#6E6210no green cones; the most common form, about 1% of men; ΔE 50.3 from the original

Tritanopia#B3012Cno blue cones; rare, and affects men and women equally; ΔE 19.7 from the original

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

Contrast with white, large text7.07:1WCAG large text: AAA

Contrast with black, large text2.97:1WCAG large text: Fail

Named colours

Firebrick · ΔE 10.8 Dark red · ΔE 10.9 Brown · ΔE 11 Maroon · ΔE 12.6 Sienna · ΔE 18.3 Saddle brown · ΔE 19.3

Nearest named CSS colourFirebrick (#B22222)ΔE 10.77, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1789A2

Analogous#A21744, #A27617

Triadic#17A230, #3017A2

Split complementary#17A276, #1743A2

Tetradic#44A217, #1789A2, #7617A2

Tints, shades & saturation

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

Lighter +40%#F0A595

Lighter +30%#EA8068

Lighter +20%#E35A3C

Lighter +10%#CF3D1D

Darker −10%#752311

Darker −20%#49160A

Darker −30%#1C0804

Darker −40%#000000

More saturated +25%#B92100

Less saturated −25%#8B3F2E

Channel breakdown

R162

G48

B23

Red162 (63.5%)

Green48 (18.8%)

Blue23 (9%)

Hue10.79°

Saturation (HSL)75.14%

Lightness36.27%

Dominant channelRed

Hex per channelR A2 · G 30 · B 17

Keep nerding

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

#A23017

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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