Colour

#21091F

#21091F
Magenta
Dark
Nearest: Black

#21091F is a magenta with RGB values 33, 9, 31 and HSL 305°, 57%, 8%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#21091F#21091F

HEX#21091F

RGBrgb(33, 9, 31)

RGB (0–1)0.1294, 0.0353, 0.1216

RGB percentages12.9%, 3.5%, 12.2%

HSLhsl(305, 57.1%, 8.2%)

HSV / HSBhsv(305, 72.7%, 12.9%)

CMYK0%, 72.7%, 6.1%, 87.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,165,023

CSS custom property--colour: #21091F;

Brightness & contrast

Relative luminance0.00618WCAG 2.x, 0 is black and 1 is white

Perceived brightness22 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.69:1

Contrast with white18.69:1WCAG normal text: AAA

Contrast with black1.12:1WCAG normal text: Fail

Greyscale equivalent#101010

Inverted#DEF6E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#081020no red cones; affects about 1% of men; ΔE 13.9 from the original

Deuteranopia#0F131Eno green cones; the most common form, about 1% of men; ΔE 14.1 from the original

Tritanopia#230B12no blue cones; rare, and affects men and women equally; ΔE 10.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.69:1WCAG large text: AAA

Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 18.9 Dark slate grey · ΔE 37.8 Dark slateblue · ΔE 42.7 Dim grey · ΔE 42.8 Midnight blue · ΔE 44.7 Slate grey · ΔE 50.5

Nearest named CSS colourBlack (#000000)ΔE 18.91, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#09210B

Analogous#170921, #210913

Triadic#1F2109, #091F21

Split complementary#132109, #092117

Tetradic#211709, #09210B, #091321

Tints, shades & saturation

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

Lighter +40%#C135B6

Lighter +30%#992A90

Lighter +20%#711F6A

Lighter +10%#491445

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#260423

Less saturated −25%#1C0E1B

Channel breakdown

R33

B31

Red33 (12.9%)

Green9 (3.5%)

Blue31 (12.2%)

Hue305°

Saturation (HSL)57.14%

Lightness8.24%

Dominant channelRed

Hex per channelR 21 · G 09 · B 1F

Keep nerding

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

#21091F

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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