Colour

#17193E

#17193E
Blue
Dark
Nearest: Black

#17193E is a blue with RGB values 23, 25, 62 and HSL 237°, 46%, 17%. It is a dark colour, so white text on it reaches 16.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#17193E#17193E

HEX#17193E

RGBrgb(23, 25, 62)

RGB (0–1)0.0902, 0.098, 0.2431

RGB percentages9%, 9.8%, 24.3%

HSLhsl(236.9, 45.9%, 16.7%)

HSV / HSBhsv(236.9, 62.9%, 24.3%)

CMYK62.9%, 59.7%, 0%, 75.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,513,790

CSS custom property--colour: #17193E;

Brightness & contrast

Relative luminance0.01225WCAG 2.x, 0 is black and 1 is white

Perceived brightness31 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.87:1

Contrast with white16.87:1WCAG normal text: AAA

Contrast with black1.25:1WCAG normal text: Fail

Greyscale equivalent#1B1B1B

Inverted#E8E6C1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#051F3Fno red cones; affects about 1% of men; ΔE 7.9 from the original

Deuteranopia#021B3Dno green cones; the most common form, about 1% of men; ΔE 6.1 from the original

Tritanopia#052128no blue cones; rare, and affects men and women equally; ΔE 25.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.87:1WCAG large text: AAA

Contrast with black, large text1.25:1WCAG large text: Fail

Named colours

Black · ΔE 29 Dark slateblue · ΔE 30.4 Midnight blue · ΔE 32.6 Dark slate grey · ΔE 37.4 Dim grey · ΔE 43.1 Rebecca purple · ΔE 44.4

Nearest named CSS colourBlack (#000000)ΔE 29.02, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3E3C17

Analogous#172D3E, #28173E

Triadic#3E1719, #193E17

Split complementary#3E2817, #2D3E17

Tetradic#3E172D, #3E3C17, #173E28

Tints, shades & saturation

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

Lighter +40%#5E63C3

Lighter +30%#4046AE

Lighter +20%#333788

Lighter +10%#252863

Darker −10%#090A19

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0C0F49

Less saturated −25%#222333

Channel breakdown

R23

G25

B62

Red23 (9%)

Green25 (9.8%)

Blue62 (24.3%)

Hue236.92°

Saturation (HSL)45.88%

Lightness16.67%

Dominant channelBlue

Hex per channelR 17 · G 19 · B 3E

Keep nerding

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

#17193E

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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