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Recognised as Colour

#185BB2

  • #185BB2
  • Blue
  • Dark
  • Nearest: Dark slateblue

#185BB2 is a blue with RGB values 24, 91, 178 and HSL 214°, 76%, 40%. 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

#185BB2#185BB2
HEX#185BB2
RGBrgb(24, 91, 178)
RGB (0–1)0.0941, 0.3569, 0.698
RGB percentages9.4%, 35.7%, 69.8%
HSLhsl(213.9, 76.2%, 39.6%)
HSV / HSBhsv(213.9, 86.5%, 69.8%)
CMYK86.5%, 48.9%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,596,338
CSS custom property--colour: #185BB2;

Brightness & contrast

Relative luminance0.10891WCAG 2.x, 0 is black and 1 is white
Perceived brightness93 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.61:1
Contrast with white6.61:1WCAG normal text: AA
Contrast with black3.18:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#E7A44D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2764B5no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#0056B0no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#00707Eno blue cones; rare, and affects men and women equally; ΔE 50.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.61:1WCAG large text: AAA
Contrast with black, large text3.18:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.3Royal blue · ΔE 20.6Cornflower blue · ΔE 23Dodgerblue · ΔE 23.3Slate blue · ΔE 24.4Medium purple · ΔE 28.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B26F18
Analogous#18A8B2, #2218B2
Triadic#B2185B, #5BB218
Split complementary#B22218, #A8B218
Tetradic#B218A8, #B26F18, #18B222

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3C6F3
Lighter +30%#76AAED
Lighter +20%#498EE7
Lighter +10%#1E72DF
Darker −10%#124485
Darker −20%#0C2D58
Darker −30%#06162B
Darker −40%#000000
More saturated +25%#0058CA
Less saturated −25%#315E99

Channel breakdown

R24
G91
B178
Red24 (9.4%)
Green91 (35.7%)
Blue178 (69.8%)
Hue213.9°
Saturation (HSL)76.24%
Lightness39.61%
Dominant channelBlue
Hex per channelR 18 · G 5B · B B2

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Every value on this page was computed from “185bb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.