Colour

#172AC7

#172AC7
Blue
Dark
Nearest: Dark blue

#172AC7 is a blue with RGB values 23, 42, 199 and HSL 234°, 79%, 44%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#172AC7#172AC7

HEX#172AC7

RGBrgb(23, 42, 199)

RGB (0–1)0.0902, 0.1647, 0.7804

RGB percentages9%, 16.5%, 78%

HSLhsl(233.5, 79.3%, 43.5%)

HSV / HSBhsv(233.5, 88.4%, 78%)

CMYK88.4%, 78.9%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,518,279

CSS custom property--colour: #172AC7;

Brightness & contrast

Relative luminance0.05962WCAG 2.x, 0 is black and 1 is white

Perceived brightness75.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.58:1

Contrast with white9.58:1WCAG normal text: AAA

Contrast with black2.19:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#E8D538

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004ECBno red cones; affects about 1% of men; ΔE 25.2 from the original

Deuteranopia#003CC4no green cones; the most common form, about 1% of men; ΔE 14.2 from the original

Tritanopia#005B79no blue cones; rare, and affects men and women equally; ΔE 85.7 from the original

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

Contrast with white, large text9.58:1WCAG large text: AAA

Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19 Medium blue · ΔE 19.2 Blue violet · ΔE 22.9 Navy · ΔE 23.3 Dark orchid · ΔE 28.3 Dark violet · ΔE 28.5

Nearest named CSS colourDark blue (#00008B)ΔE 18.96, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#C7B417

Analogous#1782C7, #5C17C7

Triadic#C7172A, #2AC717

Split complementary#C75C17, #82C717

Tetradic#C71782, #C7B417, #17C75C

Tints, shades & saturation

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

Lighter +40%#B4BBF6

Lighter +30%#8692F1

Lighter +20%#5868EC

Lighter +10%#2B3FE6

Darker −10%#122099

Darker −20%#0C176C

Darker −30%#070D3E

Darker −40%#020310

More saturated +25%#0018DE

Less saturated −25%#3340AB

Channel breakdown

R23

G42

B199

Red23 (9%)

Green42 (16.5%)

Blue199 (78%)

Hue233.52°

Saturation (HSL)79.28%

Lightness43.53%

Dominant channelBlue

Hex per channelR 17 · G 2A · B C7

Keep nerding

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

#172AC7

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

Nerdulate something else