Colour

#176D87

#176D87
Cyan
Dark
Nearest: Steel blue

#176D87 is a cyan with RGB values 23, 109, 135 and HSL 194°, 71%, 31%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#176D87#176D87

HEX#176D87

RGBrgb(23, 109, 135)

RGB (0–1)0.0902, 0.4275, 0.5294

RGB percentages9%, 42.7%, 52.9%

HSLhsl(193.9, 70.9%, 31%)

HSV / HSBhsv(193.9, 83%, 52.9%)

CMYK83%, 19.3%, 0%, 47.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,535,367

CSS custom property--colour: #176D87;

Brightness & contrast

Relative luminance0.12869WCAG 2.x, 0 is black and 1 is white

Perceived brightness96 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.88:1

Contrast with white5.88:1WCAG normal text: AA

Contrast with black3.57:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#E89278

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5E6A88no red cones; affects about 1% of men; ΔE 18.2 from the original

Deuteranopia#506087no green cones; the most common form, about 1% of men; ΔE 19.6 from the original

Tritanopia#007575no blue cones; rare, and affects men and women equally; ΔE 18.1 from the original

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

Contrast with white, large text5.88:1WCAG large text: AAA

Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.3 Slate grey · ΔE 19.5 Teal · ΔE 19.8 Light slate grey · ΔE 21 Dark slate grey · ΔE 21.1 Dark cyan · ΔE 22.2

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.27, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#873117

Analogous#178769, #173587

Triadic#87176D, #6D8717

Split complementary#871735, #876917

Tetradic#691787, #873117, #358717

Tints, shades & saturation

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

Lighter +40%#81D1E9

Lighter +30%#55C1E2

Lighter +20%#29B1DB

Lighter +10%#1E90B3

Darker −10%#104A5B

Darker −20%#082730

Darker −30%#010304

Darker −40%#000000

More saturated +25%#03789B

Less saturated −25%#2B6273

Channel breakdown

R23

G109

B135

Red23 (9%)

Green109 (42.7%)

Blue135 (52.9%)

Hue193.93°

Saturation (HSL)70.89%

Lightness30.98%

Dominant channelBlue

Hex per channelR 17 · G 6D · B 87

Keep nerding

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

#176D87

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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