Colour

#1C0021

#1C0021
Magenta
Dark
Nearest: Black

#1C0021 is a magenta with RGB values 28, 0, 33 and HSL 291°, 100%, 6%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#1C0021#1C0021

HEX#1C0021

RGBrgb(28, 0, 33)

RGB (0–1)0.1098, 0, 0.1294

RGB percentages11%, 0%, 12.9%

HSLhsl(290.9, 100%, 6.5%)

HSV / HSBhsv(290.9, 100%, 12.9%)

CMYK15.2%, 100%, 0%, 87.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,835,041

CSS custom property--colour: #1C0021;

Brightness & contrast

Relative luminance0.00357WCAG 2.x, 0 is black and 1 is white

Perceived brightness18.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.6:1

Contrast with white19.6:1WCAG normal text: AAA

Contrast with black1.07:1WCAG normal text: Fail

Greyscale equivalent#080808

Inverted#E3FFDE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#000922no red cones; affects about 1% of men; ΔE 13.4 from the original

Deuteranopia#030D20no green cones; the most common form, about 1% of men; ΔE 15 from the original

Tritanopia#1C040Fno blue cones; rare, and affects men and women equally; ΔE 14.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.6:1WCAG large text: AAA

Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 22.5 Dark slateblue · ΔE 40.1 Midnight blue · ΔE 40.1 Dark slate grey · ΔE 41.5 Dim grey · ΔE 46.8 Rebecca purple · ΔE 51.2

Nearest named CSS colourBlack (#000000)ΔE 22.53, a distinctly different colour

Hue familymagenta

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#052100

Analogous#0C0021, #210015

Triadic#211C00, #00211C

Split complementary#152100, #00210C

Tetradic#210C00, #052100, #001521

Tints, shades & saturation

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

Lighter +40%#C900ED

Lighter +30%#9E00BA

Lighter +20%#730087

Lighter +10%#470054

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1C0021

Less saturated −25%#19041D

Channel breakdown

R28

B33

Red28 (11%)

Green0 (0%)

Blue33 (12.9%)

Hue290.91°

Saturation (HSL)100%

Lightness6.47%

Dominant channelBlue

Hex per channelR 1C · G 00 · B 21

Keep nerding

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#1C0021

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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