Recognised as Colour

#391B7E

#391B7E
Violet
Dark
Nearest: Midnight blue

#391B7E is a violet with RGB values 57, 27, 126 and HSL 258°, 65%, 30%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#391B7E#391B7E

HEX#391B7E

RGBrgb(57, 27, 126)

RGB (0–1)0.2235, 0.1059, 0.4941

RGB percentages22.4%, 10.6%, 49.4%

HSLhsl(258.2, 64.7%, 30%)

HSV / HSBhsv(258.2, 78.6%, 49.4%)

CMYK54.8%, 78.6%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,742,590

CSS custom property--colour: #391B7E;

Brightness & contrast

Relative luminance0.0316WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.87:1

Contrast with white12.87:1WCAG normal text: AAA

Contrast with black1.63:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#C6E481

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003481no red cones; affects about 1% of men; ΔE 21.6 from the original

Deuteranopia#002F7Cno green cones; the most common form, about 1% of men; ΔE 20 from the original

Tritanopia#1E374Bno blue cones; rare, and affects men and women equally; ΔE 55 from the original

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

Contrast with white, large text12.87:1WCAG large text: AAA

Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9 Indigo · ΔE 12.7 Rebecca purple · ΔE 13.2 Navy · ΔE 18.1 Dark slateblue · ΔE 18.7 Dark blue · ΔE 22.1

Nearest named CSS colourMidnight blue (#191970)ΔE 9.01, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#607E1B

Analogous#1B2E7E, #6B1B7E

Triadic#7E391B, #1B7E39

Split complementary#7E6B1B, #2E7E1B

Tetradic#7E1B2E, #607E1B, #1B7E6B

Tints, shades & saturation

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

Lighter +40%#9F81E4

Lighter +30%#7F57DB

Lighter +20%#5F2DD2

Lighter +10%#4C24A8

Darker −10%#261254

Darker −20%#13092A

Darker −30%#000000

Darker −40%#000000

More saturated +25%#310891

Less saturated −25%#412E6B

Channel breakdown

R57

G27

B126

Red57 (22.4%)

Green27 (10.6%)

Blue126 (49.4%)

Hue258.18°

Saturation (HSL)64.71%

Lightness30%

Dominant channelBlue

Hex per channelR 39 · G 1B · B 7E

Keep nerding

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

#391B7E

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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