Recognised as Colour

#A70028

#A70028
Red
Dark
Nearest: Brown

#A70028 is a red with RGB values 167, 0, 40 and HSL 346°, 100%, 33%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A70028#A70028

HEX#A70028

RGBrgb(167, 0, 40)

RGB (0–1)0.6549, 0, 0.1569

RGB percentages65.5%, 0%, 15.7%

HSLhsl(345.6, 100%, 32.7%)

HSV / HSBhsv(345.6, 100%, 65.5%)

CMYK0%, 100%, 76%, 34.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,944,552

CSS custom property--colour: #A70028;

Brightness & contrast

Relative luminance0.08369WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.85:1

Contrast with white7.85:1WCAG normal text: AAA

Contrast with black2.67:1WCAG normal text: Fail

Greyscale equivalent#262626

Inverted#58FFD7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#423D28no red cones; affects about 1% of men; ΔE 63.3 from the original

Deuteranopia#685D22no green cones; the most common form, about 1% of men; ΔE 63 from the original

Tritanopia#B80016no blue cones; rare, and affects men and women equally; ΔE 15.9 from the original

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

Contrast with white, large text7.85:1WCAG large text: AAA

Contrast with black, large text2.67:1WCAG large text: Fail

Named colours

Brown · ΔE 10.1 Firebrick · ΔE 10.5 Dark red · ΔE 16.4 Maroon · ΔE 17.2 Crimson · ΔE 17.7 Indian red · ΔE 24.4

Nearest named CSS colourBrown (#A52A2A)ΔE 10.06, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A77F

Analogous#A7007B, #A72B00

Triadic#28A700, #0028A7

Split complementary#00A72B, #007BA7

Tetradic#7CA700, #00A77F, #2C00A7

Tints, shades & saturation

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

Lighter +40%#FF7495

Lighter +30%#FF416F

Lighter +20%#FF0E48

Lighter +10%#DA0034

Darker −10%#74001C

Darker −20%#410010

Darker −30%#0E0003

Darker −40%#000000

More saturated +25%#A70028

Less saturated −25%#921533

Channel breakdown

R167

B40

Red167 (65.5%)

Green0 (0%)

Blue40 (15.7%)

Hue345.63°

Saturation (HSL)100%

Lightness32.75%

Dominant channelRed

Hex per channelR A7 · G 00 · B 28

Keep nerding

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

#A70028

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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