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Recognised as Colour

#185DA8

  • #185DA8
  • Blue
  • Dark
  • Nearest: Dark slateblue

#185DA8 is a blue with RGB values 24, 93, 168 and HSL 211°, 75%, 38%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#185DA8#185DA8
HEX#185DA8
RGBrgb(24, 93, 168)
RGB (0–1)0.0941, 0.3647, 0.6588
RGB percentages9.4%, 36.5%, 65.9%
HSLhsl(211.3, 75%, 37.6%)
HSV / HSBhsv(211.3, 85.7%, 65.9%)
CMYK85.7%, 44.6%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,596,840
CSS custom property--colour: #185DA8;

Brightness & contrast

Relative luminance0.1085WCAG 2.x, 0 is black and 1 is white
Perceived brightness92 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#E7A257

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3663ABno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#1757A7no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#006F7Ano blue cones; rare, and affects men and women equally; ΔE 44.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 20.5Steel blue · ΔE 22.5Cornflower blue · ΔE 22.9Dodgerblue · ΔE 26.6Royal blue · ΔE 28Slate blue · ΔE 31.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A86318
Analogous#18A5A8, #1B18A8
Triadic#A8185D, #5DA818
Split complementary#A81B18, #A5A818
Tetradic#A818A5, #A86318, #18A81B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BC4F1
Lighter +30%#6FAAEA
Lighter +20%#4290E4
Lighter +10%#1E76D5
Darker −10%#12447B
Darker −20%#0B2C4F
Darker −30%#051322
Darker −40%#000000
More saturated +25%#005CC0
Less saturated −25%#305E90

Channel breakdown

R24
G93
B168
Red24 (9.4%)
Green93 (36.5%)
Blue168 (65.9%)
Hue211.25°
Saturation (HSL)75%
Lightness37.65%
Dominant channelBlue
Hex per channelR 18 · G 5D · B A8

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Every value on this page was computed from “185da8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.