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Recognised as Colour

#1765BD

  • #1765BD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1765BD is a blue with RGB values 23, 101, 189 and HSL 212°, 78%, 42%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1765BD#1765BD
HEX#1765BD
RGBrgb(23, 101, 189)
RGB (0–1)0.0902, 0.3961, 0.7412
RGB percentages9%, 39.6%, 74.1%
HSLhsl(211.8, 78.3%, 41.6%)
HSV / HSBhsv(211.8, 87.8%, 74.1%)
CMYK87.8%, 46.6%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,533,373
CSS custom property--colour: #1765BD;

Brightness & contrast

Relative luminance0.13164WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.78:1
Contrast with white5.78:1WCAG normal text: AA
Contrast with black3.63:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#E89A42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#346DC0no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#005FBBno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#007A88no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.78:1WCAG large text: AAA
Contrast with black, large text3.63:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 19.3Dodgerblue · ΔE 19.7Royal blue · ΔE 20.6Dark slateblue · ΔE 22Slate blue · ΔE 25.8Steel blue · ΔE 26.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BD6F17
Analogous#17B8BD, #1C17BD
Triadic#BD1765, #65BD17
Split complementary#BD1C17, #B8BD17
Tetradic#BD17B8, #BD6F17, #17BD1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ABCEF5
Lighter +30%#7EB3EF
Lighter +20%#5098EA
Lighter +10%#237EE4
Darker −10%#114D90
Darker −20%#0C3462
Darker −30%#061C35
Darker −40%#010407
More saturated +25%#0064D4
Less saturated −25%#3267A3

Channel breakdown

R23
G101
B189
Red23 (9%)
Green101 (39.6%)
Blue189 (74.1%)
Hue211.81°
Saturation (HSL)78.3%
Lightness41.57%
Dominant channelBlue
Hex per channelR 17 · G 65 · B BD

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Every value on this page was computed from “1765bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.