Colour

#A60019

#A60019
Red
Dark
Nearest: Firebrick

#A60019 is a red with RGB values 166, 0, 25 and HSL 351°, 100%, 33%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#A60019#A60019

HEX#A60019

RGBrgb(166, 0, 25)

RGB (0–1)0.651, 0, 0.098

RGB percentages65.1%, 0%, 9.8%

HSLhsl(351, 100%, 32.5%)

HSV / HSBhsv(351, 100%, 65.1%)

CMYK0%, 100%, 84.9%, 34.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer10,879,001

CSS custom property--colour: #A60019;

Brightness & contrast

Relative luminance0.08177WCAG 2.x, 0 is black and 1 is white

Perceived brightness91.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.97:1

Contrast with white7.97:1WCAG normal text: AAA

Contrast with black2.64:1WCAG normal text: Fail

Greyscale equivalent#252525

Inverted#59FFE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#433C17no red cones; affects about 1% of men; ΔE 63.2 from the original

Deuteranopia#685C0Fno green cones; the most common form, about 1% of men; ΔE 62.7 from the original

Tritanopia#B8000Fno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original

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

Contrast with white, large text7.97:1WCAG large text: AAA

Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Firebrick · ΔE 5.4 Dark red · ΔE 10.6 Brown · ΔE 11.5 Maroon · ΔE 13.7 Crimson · ΔE 18.1 Indian red · ΔE 27.9

Nearest named CSS colourFirebrick (#B22222)ΔE 5.42, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00A68D

Analogous#A6006C, #A63A00

Triadic#19A600, #0019A6

Split complementary#00A63A, #006CA6

Tetradic#6CA600, #00A68D, #3A00A6

Tints, shades & saturation

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

Lighter +40%#FF7388

Lighter +30%#FF405D

Lighter +20%#FF0D31

Lighter +10%#D90021

Darker −10%#730011

Darker −20%#40000A

Darker −30%#0D0002

Darker −40%#000000

More saturated +25%#A60019

Less saturated −25%#911528

Channel breakdown

R166

B25

Red166 (65.1%)

Green0 (0%)

Blue25 (9.8%)

Hue350.96°

Saturation (HSL)100%

Lightness32.55%

Dominant channelRed

Hex per channelR A6 · G 00 · B 19

Keep nerding

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

#A60019

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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