Recognised as Colour

#420D17

#420D17
Red
Dark
Nearest: Black

#420D17 is a red with RGB values 66, 13, 23 and HSL 349°, 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

#420D17#420D17

HEX#420D17

RGBrgb(66, 13, 23)

RGB (0–1)0.2588, 0.051, 0.0902

RGB percentages25.9%, 5.1%, 9%

HSLhsl(348.7, 67.1%, 15.5%)

HSV / HSBhsv(348.7, 80.3%, 25.9%)

CMYK0%, 80.3%, 65.2%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,328,727

CSS custom property--colour: #420D17;

Brightness & contrast

Relative luminance0.01508WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.13:1

Contrast with white16.13:1WCAG normal text: AAA

Contrast with black1.3:1WCAG normal text: Fail

Greyscale equivalent#191919

Inverted#BDF2E8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1B1A17no red cones; affects about 1% of men; ΔE 27.1 from the original

Deuteranopia#282516no green cones; the most common form, about 1% of men; ΔE 27.8 from the original

Tritanopia#490211no blue cones; rare, and affects men and women equally; ΔE 7.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.13:1WCAG large text: AAA

Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 30.1 Maroon · ΔE 39.4 Brown · ΔE 41.1 Saddle brown · ΔE 41.3 Sienna · ΔE 41.8 Dim grey · ΔE 41.8

Nearest named CSS colourBlack (#000000)ΔE 30.05, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0D4238

Analogous#420D31, #421E0D

Triadic#17420D, #0D1742

Split complementary#0D421E, #0D3242

Tetradic#32420D, #0D4238, #1E0D42

Tints, shades & saturation

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

Lighter +40%#DA415E

Lighter +30%#C22644

Lighter +20%#971E35

Lighter +10%#6D1526

Darker −10%#170508

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4C0311

Less saturated −25%#38171D

Channel breakdown

R66

G13

B23

Red66 (25.9%)

Green13 (5.1%)

Blue23 (9%)

Hue348.68°

Saturation (HSL)67.09%

Lightness15.49%

Dominant channelRed

Hex per channelR 42 · G 0D · B 17

Keep nerding

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

#420D17

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

Nerdulate something else