Colour

#A30A25

#A30A25
Red
Dark
Nearest: Brown

#A30A25 is a red with RGB values 163, 10, 37 and HSL 349°, 88%, 34%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A30A25#A30A25

HEX#A30A25

RGBrgb(163, 10, 37)

RGB (0–1)0.6392, 0.0392, 0.1451

RGB percentages63.9%, 3.9%, 14.5%

HSLhsl(349.4, 88.4%, 33.9%)

HSV / HSBhsv(349.4, 93.9%, 63.9%)

CMYK0%, 93.9%, 77.3%, 36.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,684,965

CSS custom property--colour: #A30A25;

Brightness & contrast

Relative luminance0.08137WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.99:1

Contrast with white7.99:1WCAG normal text: AAA

Contrast with black2.63:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#5CF5DA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#423D24no red cones; affects about 1% of men; ΔE 61.1 from the original

Deuteranopia#665B1Fno green cones; the most common form, about 1% of men; ΔE 60.5 from the original

Tritanopia#B40019no blue cones; rare, and affects men and women equally; ΔE 12.9 from the original

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

Contrast with white, large text7.99:1WCAG large text: AAA

Contrast with black, large text2.63:1WCAG large text: Fail

Named colours

Brown · ΔE 7.8 Firebrick · ΔE 9.3 Dark red · ΔE 14.3 Maroon · ΔE 14.8 Crimson · ΔE 19.4 Indian red · ΔE 23.8

Nearest named CSS colourBrown (#A52A2A)ΔE 7.82, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0AA388

Analogous#A30A71, #A33C0A

Triadic#25A30A, #0A25A3

Split complementary#0AA33C, #0A71A3

Tetradic#71A30A, #0AA388, #3C0AA3

Tints, shades & saturation

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

Lighter +40%#F78296

Lighter +30%#F4526E

Lighter +20%#F12246

Lighter +10%#D30D30

Darker −10%#73071A

Darker −20%#43040F

Darker −30%#130104

Darker −40%#000000

More saturated +25%#AD001F

Less saturated −25%#8D2033

Channel breakdown

R163

G10

B37

Red163 (63.9%)

Green10 (3.9%)

Blue37 (14.5%)

Hue349.41°

Saturation (HSL)88.44%

Lightness33.92%

Dominant channelRed

Hex per channelR A3 · G 0A · B 25

Keep nerding

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

#A30A25

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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