Colour

#420F0D

#420F0D
Red
Dark
Nearest: Black

#420F0D is a red with RGB values 66, 15, 13 and HSL 2°, 67%, 15%. It is a dark colour, so white text on it reaches 16.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#420F0D#420F0D

HEX#420F0D

RGBrgb(66, 15, 13)

RGB (0–1)0.2588, 0.0588, 0.051

RGB percentages25.9%, 5.9%, 5.1%

HSLhsl(2.3, 67.1%, 15.5%)

HSV / HSBhsv(2.3, 80.3%, 25.9%)

CMYK0%, 77.3%, 80.3%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,329,229

CSS custom property--colour: #420F0D;

Brightness & contrast

Relative luminance0.01529WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.08:1

Contrast with white16.08:1WCAG normal text: AAA

Contrast with black1.31:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#BDF0F2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1D1A0Cno red cones; affects about 1% of men; ΔE 26.5 from the original

Deuteranopia#2A250Bno green cones; the most common form, about 1% of men; ΔE 26.4 from the original

Tritanopia#49030Fno blue cones; rare, and affects men and women equally; ΔE 7.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.08:1WCAG large text: AAA

Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Black · ΔE 31 Maroon · ΔE 35.9 Saddle brown · ΔE 36.4 Sienna · ΔE 38 Brown · ΔE 38.9 Dark red · ΔE 40.9

Nearest named CSS colourBlack (#000000)ΔE 31.02, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0D4042

Analogous#420D26, #42290D

Triadic#0D420F, #0F0D42

Split complementary#0D4229, #0D2642

Tetradic#26420D, #0D4042, #290D42

Tints, shades & saturation

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

Lighter +40%#DA4741

Lighter +30%#C22C26

Lighter +20%#97221E

Lighter +10%#6D1915

Darker −10%#170505

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4C0603

Less saturated −25%#381817

Channel breakdown

R66

G15

B13

Red66 (25.9%)

Green15 (5.9%)

Blue13 (5.1%)

Hue2.26°

Saturation (HSL)67.09%

Lightness15.49%

Dominant channelRed

Hex per channelR 42 · G 0F · B 0D

Keep nerding

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

#420F0D

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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