Colour

#37009D

#37009D
Violet
Dark
Nearest: Dark blue

#37009D is a violet with RGB values 55, 0, 157 and HSL 261°, 100%, 31%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#37009D#37009D

HEX#37009D

RGBrgb(55, 0, 157)

RGB (0–1)0.2157, 0, 0.6157

RGB percentages21.6%, 0%, 61.6%

HSLhsl(261, 100%, 30.8%)

HSV / HSBhsv(261, 100%, 61.6%)

CMYK65%, 100%, 0%, 38.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,604,637

CSS custom property--colour: #37009D;

Brightness & contrast

Relative luminance0.03247WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.73:1

Contrast with white12.73:1WCAG normal text: AAA

Contrast with black1.65:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#C8FF62

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0037A1no red cones; affects about 1% of men; ΔE 29.1 from the original

Deuteranopia#002D9Bno green cones; the most common form, about 1% of men; ΔE 24 from the original

Tritanopia#003D5Ano blue cones; rare, and affects men and women equally; ΔE 77.9 from the original

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

Contrast with white, large text12.73:1WCAG large text: AAA

Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark blue · ΔE 8.7 Navy · ΔE 12.9 Indigo · ΔE 16.7 Medium blue · ΔE 24.9 Blue violet · ΔE 25.6 Dark orchid · ΔE 25.7

Nearest named CSS colourDark blue (#00008B)ΔE 8.72, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#669D00

Analogous#00179D, #86009D

Triadic#9D3700, #009D37

Split complementary#9D8600, #179D00

Tetradic#9D0017, #669D00, #009D86

Tints, shades & saturation

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

Lighter +40%#9E6AFF

Lighter +30%#7D37FF

Lighter +20%#5C04FF

Lighter +10%#4900D0

Darker −10%#25006A

Darker −20%#130037

Darker −30%#010004

Darker −40%#000000

More saturated +25%#37009D

Less saturated −25%#3D1489

Channel breakdown

R55

B157

Red55 (21.6%)

Green0 (0%)

Blue157 (61.6%)

Hue261.02°

Saturation (HSL)100%

Lightness30.78%

Dominant channelBlue

Hex per channelR 37 · G 00 · B 9D

Keep nerding

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#37009D

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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