Recognised as Colour

#420B0D

#420B0D
Red
Dark
Nearest: Black

#420B0D is a red with RGB values 66, 11, 13 and HSL 358°, 71%, 15%. It is a dark colour, so white text on it reaches 16.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#420B0D#420B0D

HEX#420B0D

RGBrgb(66, 11, 13)

RGB (0–1)0.2588, 0.0431, 0.051

RGB percentages25.9%, 4.3%, 5.1%

HSLhsl(357.8, 71.4%, 15.1%)

HSV / HSBhsv(357.8, 83.3%, 25.9%)

CMYK0%, 83.3%, 80.3%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,328,205

CSS custom property--colour: #420B0D;

Brightness & contrast

Relative luminance0.01427WCAG 2.x, 0 is black and 1 is white

Perceived brightness37.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.34:1

Contrast with white16.34:1WCAG normal text: AAA

Contrast with black1.29:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#BDF4F2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B180Dno red cones; affects about 1% of men; ΔE 28 from the original

Deuteranopia#29240Bno green cones; the most common form, about 1% of men; ΔE 28.1 from the original

Tritanopia#49000Cno blue cones; rare, and affects men and women equally; ΔE 6.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.34:1WCAG large text: AAA

Contrast with black, large text1.29:1WCAG large text: Fail

Named colours

Black · ΔE 31.8 Maroon · ΔE 35.6 Saddle brown · ΔE 37.5 Brown · ΔE 38.6 Sienna · ΔE 38.8 Dark red · ΔE 40.6

Nearest named CSS colourBlack (#000000)ΔE 31.83, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B4240

Analogous#420B29, #42250B

Triadic#0D420B, #0B0D42

Split complementary#0B4224, #0B2942

Tetradic#29420B, #0B4240, #240B42

Tints, shades & saturation

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

Lighter +40%#DE3B41

Lighter +30%#C52127

Lighter +20%#991A1E

Lighter +10%#6E1216

Darker −10%#160404

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4C0104

Less saturated −25%#381516

Channel breakdown

R66

G11

B13

Red66 (25.9%)

Green11 (4.3%)

Blue13 (5.1%)

Hue357.82°

Saturation (HSL)71.43%

Lightness15.1%

Dominant channelRed

Hex per channelR 42 · G 0B · B 0D

Keep nerding

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

#420B0D

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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