Colour

#AA230C

#AA230C
Red
Dark
Nearest: Firebrick

#AA230C is a red with RGB values 170, 35, 12 and HSL 9°, 87%, 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

#AA230C#AA230C

HEX#AA230C

RGBrgb(170, 35, 12)

RGB (0–1)0.6667, 0.1373, 0.0471

RGB percentages66.7%, 13.7%, 4.7%

HSLhsl(8.7, 86.8%, 35.7%)

HSV / HSBhsv(8.7, 92.9%, 66.7%)

CMYK0%, 79.4%, 92.9%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,150,092

CSS custom property--colour: #AA230C;

Brightness & contrast

Relative luminance0.09775WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.11:1

Contrast with white7.11:1WCAG normal text: AAA

Contrast with black2.95:1WCAG normal text: Fail

Greyscale equivalent#3E3E3E

Inverted#55DCF3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4505no red cones; affects about 1% of men; ΔE 57.2 from the original

Deuteranopia#706300no green cones; the most common form, about 1% of men; ΔE 57.3 from the original

Tritanopia#BC0020no blue cones; rare, and affects men and women equally; ΔE 13.3 from the original

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

Contrast with white, large text7.11:1WCAG large text: AAA

Contrast with black, large text2.95:1WCAG large text: Fail

Named colours

Firebrick · ΔE 9.2 Dark red · ΔE 10.7 Maroon · ΔE 15.1 Brown · ΔE 15.9 Crimson · ΔE 24.1 Tomato · ΔE 25.3

Nearest named CSS colourFirebrick (#B22222)ΔE 9.2, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C93AA

Analogous#AA0C44, #AA720C

Triadic#0CAA23, #230CAA

Split complementary#0CAA72, #0C44AA

Tetradic#44AA0C, #0C93AA, #720CAA

Tints, shades & saturation

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

Lighter +40%#F79B8B

Lighter +30%#F3725C

Lighter +20%#F0482C

Lighter +10%#DA2D0F

Darker −10%#7A1909

Darker −20%#4B0F05

Darker −30%#1B0602

Darker −40%#000000

More saturated +25%#B61A00

Less saturated −25%#933323

Channel breakdown

R170

G35

B12

Red170 (66.7%)

Green35 (13.7%)

Blue12 (4.7%)

Hue8.73°

Saturation (HSL)86.81%

Lightness35.69%

Dominant channelRed

Hex per channelR AA · G 23 · B 0C

Keep nerding

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

#AA230C

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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