Colour

#420A23

#420A23
Red
Dark
Nearest: Black

#420A23 is a red with RGB values 66, 10, 35 and HSL 333°, 74%, 15%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#420A23#420A23

HEX#420A23

RGBrgb(66, 10, 35)

RGB (0–1)0.2588, 0.0392, 0.1373

RGB percentages25.9%, 3.9%, 13.7%

HSLhsl(333.2, 73.7%, 14.9%)

HSV / HSBhsv(333.2, 84.8%, 25.9%)

CMYK0%, 84.8%, 47%, 74.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,327,971

CSS custom property--colour: #420A23;

Brightness & contrast

Relative luminance0.01497WCAG 2.x, 0 is black and 1 is white

Perceived brightness38.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.16:1

Contrast with white16.16:1WCAG normal text: AAA

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

Greyscale equivalent#181818

Inverted#BDF5DC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#161A24no red cones; affects about 1% of men; ΔE 28.3 from the original

Deuteranopia#252522no green cones; the most common form, about 1% of men; ΔE 29.5 from the original

Tritanopia#480315no blue cones; rare, and affects men and women equally; ΔE 11.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.16:1WCAG large text: AAA

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

Named colours

Black · ΔE 31.2 Dim grey · ΔE 42.8 Dark slate grey · ΔE 44.5 Dark slateblue · ΔE 45 Brown · ΔE 45.5 Maroon · ΔE 45.6

Nearest named CSS colourBlack (#000000)ΔE 31.22, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0A4229

Analogous#420A3F, #420D0A

Triadic#23420A, #0A2342

Split complementary#0A420D, #0A3F42

Tetradic#3F420A, #0A4229, #0D0A42

Tints, shades & saturation

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

Lighter +40%#E13783

Lighter +30%#C71E69

Lighter +20%#9B1752

Lighter +10%#6E113A

Darker −10%#16030C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#4C0022

Less saturated −25%#391424

Channel breakdown

R66

G10

B35

Red66 (25.9%)

Green10 (3.9%)

Blue35 (13.7%)

Hue333.21°

Saturation (HSL)73.68%

Lightness14.9%

Dominant channelRed

Hex per channelR 42 · G 0A · B 23

Keep nerding

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

#420A23

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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