Recognised as Colour

#90183C

#90183C
Red
Dark
Nearest: Brown

#90183C is a red with RGB values 144, 24, 60 and HSL 342°, 71%, 33%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#90183C#90183C

HEX#90183C

RGBrgb(144, 24, 60)

RGB (0–1)0.5647, 0.0941, 0.2353

RGB percentages56.5%, 9.4%, 23.5%

HSLhsl(342, 71.4%, 32.9%)

HSV / HSBhsv(342, 83.3%, 56.5%)

CMYK0%, 83.3%, 58.3%, 43.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer9,443,388

CSS custom property--colour: #90183C;

Brightness & contrast

Relative luminance0.06909WCAG 2.x, 0 is black and 1 is white

Perceived brightness83.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.82:1

Contrast with white8.82:1WCAG normal text: AAA

Contrast with black2.38:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#6FE7C3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3A3B3Dno red cones; affects about 1% of men; ΔE 51.9 from the original

Deuteranopia#595339no green cones; the most common form, about 1% of men; ΔE 52.5 from the original

Tritanopia#9E0028no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.82:1WCAG large text: AAA

Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Brown · ΔE 20.7 Indian red · ΔE 25.1 Maroon · ΔE 28.1 Firebrick · ΔE 28.6 Dark red · ΔE 30.8 Pale violetred · ΔE 31.1

Nearest named CSS colourBrown (#A52A2A)ΔE 20.68, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#18906C

Analogous#901878, #903018

Triadic#3C9018, #183C90

Split complementary#189030, #187890

Tetradic#789018, #18906C, #301890

Tints, shades & saturation

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

Lighter +40%#EB89A6

Lighter +30%#E45D85

Lighter +20%#DD3165

Lighter +10%#BC1F4E

Darker −10%#64112A

Darker −20%#390918

Darker −30%#0D0205

Darker −40%#000000

More saturated +25%#A50334

Less saturated −25%#7B2D44

Channel breakdown

R144

G24

B60

Red144 (56.5%)

Green24 (9.4%)

Blue60 (23.5%)

Hue342°

Saturation (HSL)71.43%

Lightness32.94%

Dominant channelRed

Hex per channelR 90 · G 18 · B 3C

Keep nerding

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

#90183C

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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