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Recognised as Colour

#185B8F

  • #185B8F
  • Blue
  • Dark
  • Nearest: Steel blue

#185B8F is a blue with RGB values 24, 91, 143 and HSL 206°, 71%, 33%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#185B8F#185B8F
HEX#185B8F
RGBrgb(24, 91, 143)
RGB (0–1)0.0941, 0.3569, 0.5608
RGB percentages9.4%, 35.7%, 56.1%
HSLhsl(206.2, 71.3%, 32.7%)
HSV / HSBhsv(206.2, 83.2%, 56.1%)
CMYK83.2%, 36.4%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,596,303
CSS custom property--colour: #185B8F;

Brightness & contrast

Relative luminance0.0966WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.16:1
Contrast with white7.16:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#E7A470

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#425D91no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#31538Eno green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#00686Eno blue cones; rare, and affects men and women equally; ΔE 32.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.16:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Steel blue · ΔE 15.7Slate grey · ΔE 28.6Dark slateblue · ΔE 28.7Light slate grey · ΔE 29.9Cornflower blue · ΔE 30.6Dark slate grey · ΔE 33.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F4C18
Analogous#188F87, #18208F
Triadic#8F185B, #5B8F18
Split complementary#8F1820, #8F8818
Tetradic#87188F, #8F4C18, #1F8F18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88C0EB
Lighter +30%#5CA9E4
Lighter +20%#3191DC
Lighter +10%#1F77BB
Darker −10%#113F63
Darker −20%#092338
Darker −30%#02080C
Darker −40%#000000
More saturated +25%#035EA4
Less saturated −25%#2D587A

Channel breakdown

R24
G91
B143
Red24 (9.4%)
Green91 (35.7%)
Blue143 (56.1%)
Hue206.22°
Saturation (HSL)71.26%
Lightness32.75%
Dominant channelBlue
Hex per channelR 18 · G 5B · B 8F

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Every value on this page was computed from “185b8f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.