Colour

#17004E

#17004E
Violet
Dark
Nearest: Midnight blue

#17004E is a violet with RGB values 23, 0, 78 and HSL 258°, 100%, 15%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#17004E#17004E

HEX#17004E

RGBrgb(23, 0, 78)

RGB (0–1)0.0902, 0, 0.3059

RGB percentages9%, 0%, 30.6%

HSLhsl(257.7, 100%, 15.3%)

HSV / HSBhsv(257.7, 100%, 30.6%)

CMYK70.5%, 100%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,507,406

CSS custom property--colour: #17004E;

Brightness & contrast

Relative luminance0.00732WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.32:1

Contrast with white18.32:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#0B0B0B

Inverted#E8FFB1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001750no red cones; affects about 1% of men; ΔE 17.3 from the original

Deuteranopia#00124Dno green cones; the most common form, about 1% of men; ΔE 14.4 from the original

Tritanopia#001A2Ano blue cones; rare, and affects men and women equally; ΔE 46.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.32:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.1 Indigo · ΔE 25.1 Dark slateblue · ΔE 25.5 Navy · ΔE 27.1 Rebecca purple · ΔE 28.2 Dark blue · ΔE 32.3

Nearest named CSS colourMidnight blue (#191970)ΔE 12.11, a distinctly different colour

Hue familyviolet

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#374E00

Analogous#00104E, #3E004E

Triadic#4E1700, #004E17

Split complementary#4E3E00, #104E00

Tetradic#4E0010, #374E00, #004E3E

Tints, shades & saturation

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

Lighter +40%#5E1BFF

Lighter +30%#4400E7

Lighter +20%#3500B4

Lighter +10%#260081

Darker −10%#08001B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#17004E

Less saturated −25%#1B0A44

Channel breakdown

R23

B78

Red23 (9%)

Green0 (0%)

Blue78 (30.6%)

Hue257.69°

Saturation (HSL)100%

Lightness15.29%

Dominant channelBlue

Hex per channelR 17 · G 00 · B 4E

Keep nerding

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#17004E

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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