Recognised as Colour

#A30128

#A30128
Red
Dark
Nearest: Brown

#A30128 is a red with RGB values 163, 1, 40 and HSL 346°, 99%, 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 Brown.

Colour values

#A30128#A30128

HEX#A30128

RGBrgb(163, 1, 40)

RGB (0–1)0.6392, 0.0039, 0.1569

RGB percentages63.9%, 0.4%, 15.7%

HSLhsl(345.6, 98.8%, 32.2%)

HSV / HSBhsv(345.6, 99.4%, 63.9%)

CMYK0%, 99.4%, 75.5%, 36.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,682,664

CSS custom property--colour: #A30128;

Brightness & contrast

Relative luminance0.07961WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.1:1

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

Contrast with black2.59:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#5CFED7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#403B28no red cones; affects about 1% of men; ΔE 61.9 from the original

Deuteranopia#655B22no green cones; the most common form, about 1% of men; ΔE 62.2 from the original

Tritanopia#B40017no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original

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

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

Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Brown · ΔE 9.6 Firebrick · ΔE 11.6 Dark red · ΔE 16.5 Maroon · ΔE 16.8 Crimson · ΔE 19.4 Indian red · ΔE 24.2

Nearest named CSS colourBrown (#A52A2A)ΔE 9.6, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#01A37C

Analogous#A30179, #A32B01

Triadic#28A301, #0128A3

Split complementary#01A32B, #0179A3

Tetradic#79A301, #01A37C, #2B01A3

Tints, shades & saturation

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

Lighter +40%#FE7294

Lighter +30%#FE3F6D

Lighter +20%#FE0C47

Lighter +10%#D60134

Darker −10%#70011C

Darker −20%#3E000F

Darker −30%#0B0003

Darker −40%#000000

More saturated +25%#A40027

Less saturated −25%#8E1633

Channel breakdown

R163

B40

Red163 (63.9%)

Green1 (0.4%)

Blue40 (15.7%)

Hue345.56°

Saturation (HSL)98.78%

Lightness32.16%

Dominant channelRed

Hex per channelR A3 · G 01 · B 28

Keep nerding

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

#A30128

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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