Colour

#25183D

#25183D
Violet
Dark
Nearest: Black

#25183D is a violet with RGB values 37, 24, 61 and HSL 261°, 44%, 17%. It is a dark colour, so white text on it reaches 16.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#25183D#25183D

HEX#25183D

RGBrgb(37, 24, 61)

RGB (0–1)0.1451, 0.0941, 0.2392

RGB percentages14.5%, 9.4%, 23.9%

HSLhsl(261.1, 43.5%, 16.7%)

HSV / HSBhsv(261.1, 60.7%, 23.9%)

CMYK39.3%, 60.7%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,431,037

CSS custom property--colour: #25183D;

Brightness & contrast

Relative luminance0.01384WCAG 2.x, 0 is black and 1 is white

Perceived brightness34.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.45:1

Contrast with white16.45:1WCAG normal text: AAA

Contrast with black1.28:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#DAE7C2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#091F3Eno red cones; affects about 1% of men; ΔE 11.9 from the original

Deuteranopia#0D1F3Cno green cones; the most common form, about 1% of men; ΔE 12.1 from the original

Tritanopia#201F27no blue cones; rare, and affects men and women equally; ΔE 21.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.45:1WCAG large text: AAA

Contrast with black, large text1.28:1WCAG large text: Fail

Named colours

Black · ΔE 29.6 Dark slateblue · ΔE 29.6 Midnight blue · ΔE 32.2 Dark slate grey · ΔE 38.5 Dim grey · ΔE 42.4 Rebecca purple · ΔE 42.4

Nearest named CSS colourBlack (#000000)ΔE 29.56, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#303D18

Analogous#181E3D, #37183D

Triadic#3D2518, #183D25

Split complementary#3D3818, #1D3D18

Tetradic#3D181E, #303D18, #183D37

Tints, shades & saturation

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

Lighter +40%#8260C1

Lighter +30%#6843AB

Lighter +20%#513586

Lighter +10%#3B2662

Darker −10%#0F0A18

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#220D48

Less saturated −25%#282332

Channel breakdown

R37

G24

B61

Red37 (14.5%)

Green24 (9.4%)

Blue61 (23.9%)

Hue261.08°

Saturation (HSL)43.53%

Lightness16.67%

Dominant channelBlue

Hex per channelR 25 · G 18 · B 3D

Keep nerding

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#25183D

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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