Recognised as Colour

#175E8D

#175E8D
Blue
Dark
Nearest: Steel blue

#175E8D is a blue with RGB values 23, 94, 141 and HSL 204°, 72%, 32%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#175E8D#175E8D

HEX#175E8D

RGBrgb(23, 94, 141)

RGB (0–1)0.0902, 0.3686, 0.5529

RGB percentages9%, 36.9%, 55.3%

HSLhsl(203.9, 72%, 32.2%)

HSV / HSBhsv(203.9, 83.7%, 55.3%)

CMYK83.7%, 33.3%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,531,533

CSS custom property--colour: #175E8D;

Brightness & contrast

Relative luminance0.10111WCAG 2.x, 0 is black and 1 is white

Perceived brightness87.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.95:1

Contrast with white6.95:1WCAG normal text: AA

Contrast with black3.02:1WCAG normal text: Fail

Greyscale equivalent#525252

Inverted#E8A172

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#485F8Fno red cones; affects about 1% of men; ΔE 9.8 from the original

Deuteranopia#37558Cno green cones; the most common form, about 1% of men; ΔE 10.7 from the original

Tritanopia#006A6Fno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original

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

Contrast with white, large text6.95:1WCAG large text: AAA

Contrast with black, large text3.02:1WCAG large text: AA

Named colours

Steel blue · ΔE 14.4 Slate grey · ΔE 26 Light slate grey · ΔE 27.5 Dark slate grey · ΔE 30.1 Dark slateblue · ΔE 32.2 Cornflower blue · ΔE 32.3

Nearest named CSS colourSteel blue (#4682B4)ΔE 14.43, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8D4617

Analogous#178D81, #17238D

Triadic#8D175E, #5E8D17

Split complementary#8D1723, #8D8117

Tetradic#81178D, #8D4617, #238D17

Tints, shades & saturation

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

Lighter +40%#85C2EB

Lighter +30%#59ADE4

Lighter +20%#2D97DD

Lighter +10%#1E7BB9

Darker −10%#104161

Darker −20%#092435

Darker −30%#020609

Darker −40%#000000

More saturated +25%#0362A2

Less saturated −25%#2B5A79

Channel breakdown

R23

G94

B141

Red23 (9%)

Green94 (36.9%)

Blue141 (55.3%)

Hue203.9°

Saturation (HSL)71.95%

Lightness32.16%

Dominant channelBlue

Hex per channelR 17 · G 5E · B 8D

Keep nerding

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

#175E8D

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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