Colour

#170F48

#170F48
Blue
Dark
Nearest: Midnight blue

#170F48 is a blue with RGB values 23, 15, 72 and HSL 248°, 66%, 17%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#170F48#170F48

HEX#170F48

RGBrgb(23, 15, 72)

RGB (0–1)0.0902, 0.0588, 0.2824

RGB percentages9%, 5.9%, 28.2%

HSLhsl(248.4, 65.5%, 17.1%)

HSV / HSBhsv(248.4, 79.2%, 28.2%)

CMYK68.1%, 79.2%, 0%, 71.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,511,240

CSS custom property--colour: #170F48;

Brightness & contrast

Relative luminance0.00992WCAG 2.x, 0 is black and 1 is white

Perceived brightness29.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.52:1

Contrast with white17.52:1WCAG normal text: AAA

Contrast with black1.2:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#E8F0B7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001B4Ano red cones; affects about 1% of men; ΔE 11.6 from the original

Deuteranopia#001747no green cones; the most common form, about 1% of men; ΔE 9.6 from the original

Tritanopia#001E2Ano blue cones; rare, and affects men and women equally; ΔE 37 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.52:1WCAG large text: AAA

Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 19 Dark slateblue · ΔE 23.5 Rebecca purple · ΔE 33.7 Indigo · ΔE 36.3 Navy · ΔE 39.3 Purple · ΔE 41.5

Nearest named CSS colourMidnight blue (#191970)ΔE 18.98, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#40480F

Analogous#0F2448, #340F48

Triadic#48170F, #0F4817

Split complementary#48340F, #23480F

Tetradic#480F23, #40480F, #0F4834

Tints, shades & saturation

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

Lighter +40%#5E4AD9

Lighter +30%#3F29C7

Lighter +20%#32219C

Lighter +10%#241872

Darker −10%#0A061E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0F0453

Less saturated −25%#1F1A3D

Channel breakdown

R23

G15

B72

Red23 (9%)

Green15 (5.9%)

Blue72 (28.2%)

Hue248.42°

Saturation (HSL)65.52%

Lightness17.06%

Dominant channelBlue

Hex per channelR 17 · G 0F · B 48

Keep nerding

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

#170F48

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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