Recognised as Colour

#3A0001

#3A0001
Red
Dark
Nearest: Black

#3A0001 is a red with RGB values 58, 0, 1 and HSL 359°, 100%, 11%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3A0001#3A0001

HEX#3A0001

RGBrgb(58, 0, 1)

RGB (0–1)0.2275, 0, 0.0039

RGB percentages22.7%, 0%, 0.4%

HSLhsl(359, 100%, 11.4%)

HSV / HSBhsv(359, 100%, 22.7%)

CMYK0%, 100%, 98.3%, 77.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,801,089

CSS custom property--colour: #3A0001;

Brightness & contrast

Relative luminance0.00902WCAG 2.x, 0 is black and 1 is white

Perceived brightness31.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.79:1

Contrast with white17.79:1WCAG normal text: AAA

Contrast with black1.18:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#C5FFFE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#130F01no red cones; affects about 1% of men; ΔE 29.5 from the original

Deuteranopia#211C00no green cones; the most common form, about 1% of men; ΔE 30.1 from the original

Tritanopia#410001no blue cones; rare, and affects men and women equally; ΔE 4.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.79:1WCAG large text: AAA

Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 31.7 Maroon · ΔE 36.9 Brown · ΔE 40.8 Saddle brown · ΔE 40.9 Dark red · ΔE 41.9 Sienna · ΔE 42.5

Nearest named CSS colourBlack (#000000)ΔE 31.68, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#003A39

Analogous#3A001E, #3A1C00

Triadic#013A00, #00013A

Split complementary#003A1C, #001E3A

Tetradic#1E3A00, #003A39, #1C003A

Tints, shades & saturation

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

Lighter +40%#FF070B

Lighter +30%#D30004

Lighter +20%#A00003

Lighter +10%#6D0002

Darker −10%#070000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#3A0001

Less saturated −25%#330708

Channel breakdown

R58

Red58 (22.7%)

Green0 (0%)

Blue1 (0.4%)

Hue358.97°

Saturation (HSL)100%

Lightness11.37%

Dominant channelRed

Hex per channelR 3A · G 00 · B 01

Keep nerding

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

#3A0001

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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