Recognised as Colour

#172EA0

#172EA0
Blue
Dark
Nearest: Navy

#172EA0 is a blue with RGB values 23, 46, 160 and HSL 230°, 75%, 36%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#172EA0#172EA0

HEX#172EA0

RGBrgb(23, 46, 160)

RGB (0–1)0.0902, 0.1804, 0.6275

RGB percentages9%, 18%, 62.7%

HSLhsl(229.9, 74.9%, 35.9%)

HSV / HSBhsv(229.9, 85.6%, 62.7%)

CMYK85.6%, 71.2%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,519,264

CSS custom property--colour: #172EA0;

Brightness & contrast

Relative luminance0.04674WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 10.85:1

Contrast with white10.85:1WCAG normal text: AAA

Contrast with black1.93:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#E8D15F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0044A3no red cones; affects about 1% of men; ΔE 17.3 from the original

Deuteranopia#00369Eno green cones; the most common form, about 1% of men; ΔE 8 from the original

Tritanopia#004E63no blue cones; rare, and affects men and women equally; ΔE 66.4 from the original

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

Contrast with white, large text10.85:1WCAG large text: AAA

Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Navy · ΔE 17.3 Midnight blue · ΔE 17.5 Dark blue · ΔE 18.9 Rebecca purple · ΔE 19 Indigo · ΔE 19.3 Slate blue · ΔE 20.3

Nearest named CSS colourNavy (#000080)ΔE 17.27, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A08917

Analogous#1772A0, #4517A0

Triadic#A0172E, #2EA017

Split complementary#A04517, #72A017

Tetradic#A01772, #A08917, #17A045

Tints, shades & saturation

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

Lighter +40%#93A3F0

Lighter +30%#677DE9

Lighter +20%#3A57E3

Lighter +10%#1D3BCD

Darker −10%#112173

Darker −20%#0A1447

Darker −30%#04081A

Darker −40%#000000

More saturated +25%#001FB7

Less saturated −25%#2E3D89

Channel breakdown

R23

G46

B160

Red23 (9%)

Green46 (18%)

Blue160 (62.7%)

Hue229.93°

Saturation (HSL)74.86%

Lightness35.88%

Dominant channelBlue

Hex per channelR 17 · G 2E · B A0

Keep nerding

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

#172EA0

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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