Colour

#1F005F

#1F005F
Violet
Dark
Nearest: Midnight blue

#1F005F is a violet with RGB values 31, 0, 95 and HSL 260°, 100%, 19%. It is a dark colour, so white text on it reaches 17.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1F005F#1F005F

HEX#1F005F

RGBrgb(31, 0, 95)

RGB (0–1)0.1216, 0, 0.3725

RGB percentages12.2%, 0%, 37.3%

HSLhsl(259.6, 100%, 18.6%)

HSV / HSBhsv(259.6, 100%, 37.3%)

CMYK67.4%, 100%, 0%, 62.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,031,711

CSS custom property--colour: #1F005F;

Brightness & contrast

Relative luminance0.01118WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.16:1

Contrast with white17.16:1WCAG normal text: AAA

Contrast with black1.22:1WCAG normal text: Fail

Greyscale equivalent#0D0D0D

Inverted#E0FFA0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001E61no red cones; affects about 1% of men; ΔE 20.6 from the original

Deuteranopia#00185Eno green cones; the most common form, about 1% of men; ΔE 16.9 from the original

Tritanopia#002234no blue cones; rare, and affects men and women equally; ΔE 54.7 from the original

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

Contrast with white, large text17.16:1WCAG large text: AAA

Contrast with black, large text1.22:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.8 Indigo · ΔE 16.9 Navy · ΔE 18.6 Rebecca purple · ΔE 23.2 Dark blue · ΔE 23.8 Dark slateblue · ΔE 25.6

Nearest named CSS colourMidnight blue (#191970)ΔE 9.85, clearly different but related

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#405F00

Analogous#00115F, #4E005F

Triadic#5F1F00, #005F1F

Split complementary#5F4E00, #115F00

Tetradic#5F0011, #405F00, #005F4E

Tints, shades & saturation

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

Lighter +40%#712CFF

Lighter +30%#5100F8

Lighter +20%#4000C5

Lighter +10%#300092

Darker −10%#0E002C

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F005F

Less saturated −25%#230C53

Channel breakdown

R31

B95

Red31 (12.2%)

Green0 (0%)

Blue95 (37.3%)

Hue259.58°

Saturation (HSL)100%

Lightness18.63%

Dominant channelBlue

Hex per channelR 1F · G 00 · B 5F

Keep nerding

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#1F005F

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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