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Recognised as Colour

#1933AC

  • #1933AC
  • Blue
  • Dark
  • Nearest: Navy

#1933AC is a blue with RGB values 25, 51, 172 and HSL 229°, 75%, 39%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#1933AC#1933AC
HEX#1933AC
RGBrgb(25, 51, 172)
RGB (0–1)0.098, 0.2, 0.6745
RGB percentages9.8%, 20%, 67.5%
HSLhsl(229.4, 74.6%, 38.6%)
HSV / HSBhsv(229.4, 85.5%, 67.5%)
CMYK85.5%, 70.3%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,651,628
CSS custom property--colour: #1933AC;

Brightness & contrast

Relative luminance0.05553WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.95:1
Contrast with white9.95:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#E6CC53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004AB0no red cones; affects about 1% of men; ΔE 17.5 from the original
Deuteranopia#003CAAno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#00556Bno blue cones; rare, and affects men and women equally; ΔE 69.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.95:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Navy · ΔE 18.4Dark blue · ΔE 18.9Slate blue · ΔE 19.2Rebecca purple · ΔE 20.6Indigo · ΔE 20.9Midnight blue · ΔE 21.7
Nearest named CSS colourNavy (#000080)ΔE 18.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC9219
Analogous#197DAC, #4919AC
Triadic#AC1933, #33AC19
Split complementary#AC4919, #7CAC19
Tetradic#AC197D, #AC9219, #19AC49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A0AEF1
Lighter +30%#7388EB
Lighter +20%#4763E4
Lighter +10%#1F40D9
Darker −10%#13267F
Darker −20%#0C1953
Darker −30%#060B26
Darker −40%#000000
More saturated +25%#0023C5
Less saturated −25%#324393

Channel breakdown

R25
G51
B172
Red25 (9.8%)
Green51 (20%)
Blue172 (67.5%)
Hue229.39°
Saturation (HSL)74.62%
Lightness38.63%
Dominant channelBlue
Hex per channelR 19 · G 33 · B AC

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Every value on this page was computed from “1933ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.