Recognised as Colour

#A70828

#A70828
Red
Dark
Nearest: Brown

#A70828 is a red with RGB values 167, 8, 40 and HSL 348°, 91%, 34%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#A70828#A70828

HEX#A70828

RGBrgb(167, 8, 40)

RGB (0–1)0.6549, 0.0314, 0.1569

RGB percentages65.5%, 3.1%, 15.7%

HSLhsl(347.9, 90.9%, 34.3%)

HSV / HSBhsv(347.9, 95.2%, 65.5%)

CMYK0%, 95.2%, 76%, 34.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,946,600

CSS custom property--colour: #A70828;

Brightness & contrast

Relative luminance0.08542WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.75:1

Contrast with white7.75:1WCAG normal text: AAA

Contrast with black2.71:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#58F7D7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#443E27no red cones; affects about 1% of men; ΔE 61.9 from the original

Deuteranopia#685E22no green cones; the most common form, about 1% of men; ΔE 62.6 from the original

Tritanopia#B80019no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original

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

Contrast with white, large text7.75:1WCAG large text: AAA

Contrast with black, large text2.71:1WCAG large text: Fail

Named colours

Brown · ΔE 8.9 Firebrick · ΔE 9.7 Dark red · ΔE 15.8 Maroon · ΔE 16.6 Crimson · ΔE 18 Indian red · ΔE 23.7

Nearest named CSS colourBrown (#A52A2A)ΔE 8.94, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#08A787

Analogous#A70878, #A73708

Triadic#28A708, #0828A7

Split complementary#08A737, #0878A7

Tetradic#78A708, #08A787, #3708A7

Tints, shades & saturation

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

Lighter +40%#F9829A

Lighter +30%#F75173

Lighter +20%#F4214B

Lighter +10%#D80A34

Darker −10%#76061C

Darker −20%#460311

Darker −30%#150105

Darker −40%#000000

More saturated +25%#AF0023

Less saturated −25%#911E35

Channel breakdown

R167

B40

Red167 (65.5%)

Green8 (3.1%)

Blue40 (15.7%)

Hue347.92°

Saturation (HSL)90.86%

Lightness34.31%

Dominant channelRed

Hex per channelR A7 · G 08 · B 28

Keep nerding

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

#A70828

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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