Recognised as Colour

#175EA0

#175EA0
Blue
Dark
Nearest: Steel blue

#175EA0 is a blue with RGB values 23, 94, 160 and HSL 209°, 75%, 36%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#175EA0#175EA0

HEX#175EA0

RGBrgb(23, 94, 160)

RGB (0–1)0.0902, 0.3686, 0.6275

RGB percentages9%, 36.9%, 62.7%

HSLhsl(208.9, 74.9%, 35.9%)

HSV / HSBhsv(208.9, 85.6%, 62.7%)

CMYK85.6%, 41.3%, 0%, 37.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,531,552

CSS custom property--colour: #175EA0;

Brightness & contrast

Relative luminance0.10726WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.68:1

Contrast with white6.68:1WCAG normal text: AA

Contrast with black3.15:1WCAG normal text: Fail

Greyscale equivalent#545454

Inverted#E8A15F

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3D63A3no red cones; affects about 1% of men; ΔE 5.4 from the original

Deuteranopia#26579Fno green cones; the most common form, about 1% of men; ΔE 6.4 from the original

Tritanopia#006E77no blue cones; rare, and affects men and women equally; ΔE 39.6 from the original

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

Contrast with white, large text6.68:1WCAG large text: AAA

Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.2 Dark slateblue · ΔE 23.7 Cornflower blue · ΔE 24.7 Dodgerblue · ΔE 30.3 Royal blue · ΔE 33.7 Slate grey · ΔE 34.5

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A05917

Analogous#17A09D, #171AA0

Triadic#A0175E, #5EA017

Split complementary#A0171A, #A09D17

Tetradic#9D17A0, #A05917, #1AA017

Tints, shades & saturation

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

Lighter +40%#93C3F0

Lighter +30%#67AAE9

Lighter +20%#3A92E3

Lighter +10%#1D78CD

Darker −10%#114473

Darker −20%#0A2A47

Darker −30%#040F1A

Darker −40%#000000

More saturated +25%#005FB7

Less saturated −25%#2E5D89

Channel breakdown

R23

G94

B160

Red23 (9%)

Green94 (36.9%)

Blue160 (62.7%)

Hue208.91°

Saturation (HSL)74.86%

Lightness35.88%

Dominant channelBlue

Hex per channelR 17 · G 5E · B A0

Keep nerding

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

#175EA0

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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