Nerdulator> put something in

Recognised as Colour

#175B86

  • #175B86
  • Blue
  • Dark
  • Nearest: Steel blue

#175B86 is a blue with RGB values 23, 91, 134 and HSL 203°, 71%, 31%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#175B86#175B86
HEX#175B86
RGBrgb(23, 91, 134)
RGB (0–1)0.0902, 0.3569, 0.5255
RGB percentages9%, 35.7%, 52.5%
HSLhsl(203.2, 70.7%, 30.8%)
HSV / HSBhsv(203.2, 82.8%, 52.5%)
CMYK82.8%, 32.1%, 0%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,530,758
CSS custom property--colour: #175B86;

Brightness & contrast

Relative luminance0.09386WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.3:1
Contrast with white7.3:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#E8A479

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#475C88no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#375285no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#00666Ano blue cones; rare, and affects men and women equally; ΔE 27.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.3:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Steel blue · ΔE 15.9Slate grey · ΔE 25.2Light slate grey · ΔE 26.9Dark slate grey · ΔE 27.6Dim grey · ΔE 31.1Dark slateblue · ΔE 33.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#864217
Analogous#178679, #172486
Triadic#86175B, #5B8617
Split complementary#861723, #867917
Tetradic#7A1786, #864217, #248617

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#80C0E9
Lighter +30%#54ABE2
Lighter +20%#2995DA
Lighter +10%#1E79B2
Darker −10%#103D5A
Darker −20%#08202F
Darker −30%#010203
Darker −40%#000000
More saturated +25%#035F9A
Less saturated −25%#2B5772

Channel breakdown

R23
G91
B134
Red23 (9%)
Green91 (35.7%)
Blue134 (52.5%)
Hue203.24°
Saturation (HSL)70.7%
Lightness30.78%
Dominant channelBlue
Hex per channelR 17 · G 5B · B 86

Keep nerding

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

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “175b86” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.