Colour

#1F034C

#1F034C
Violet
Dark
Nearest: Midnight blue

#1F034C is a violet with RGB values 31, 3, 76 and HSL 263°, 92%, 15%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1F034C#1F034C

HEX#1F034C

RGBrgb(31, 3, 76)

RGB (0–1)0.1216, 0.0118, 0.298

RGB percentages12.2%, 1.2%, 29.8%

HSLhsl(263, 92.4%, 15.5%)

HSV / HSBhsv(263, 96.1%, 29.8%)

CMYK59.2%, 96.1%, 0%, 70.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,032,460

CSS custom property--colour: #1F034C;

Brightness & contrast

Relative luminance0.00878WCAG 2.x, 0 is black and 1 is white

Perceived brightness30.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.86:1

Contrast with white17.86:1WCAG normal text: AAA

Contrast with black1.18:1WCAG normal text: Fail

Greyscale equivalent#0E0E0E

Inverted#E0FCB3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00194Eno red cones; affects about 1% of men; ΔE 17.7 from the original

Deuteranopia#00164Bno green cones; the most common form, about 1% of men; ΔE 16.6 from the original

Tritanopia#0E1A29no blue cones; rare, and affects men and women equally; ΔE 41.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.86:1WCAG large text: AAA

Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.7 Dark slateblue · ΔE 24.1 Indigo · ΔE 27.2 Rebecca purple · ΔE 28.4 Navy · ΔE 30.6 Purple · ΔE 34.3

Nearest named CSS colourMidnight blue (#191970)ΔE 13.65, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#304C03

Analogous#030B4C, #44034C

Triadic#4C1F03, #034C1F

Split complementary#4C4303, #0C4C03

Tetradic#4C030B, #304C03, #034C44

Tints, shades & saturation

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

Lighter +40%#7525F6

Lighter +30%#5B09DF

Lighter +20%#4707AE

Lighter +10%#33057D

Darker −10%#0B011B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1E004F

Less saturated −25%#210D42

Channel breakdown

R31

B76

Red31 (12.2%)

Green3 (1.2%)

Blue76 (29.8%)

Hue263.01°

Saturation (HSL)92.41%

Lightness15.49%

Dominant channelBlue

Hex per channelR 1F · G 03 · B 4C

Keep nerding

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#1F034C

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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