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Recognised as Colour

#033169

  • #033169
  • Blue
  • Dark
  • Nearest: Dark slateblue

#033169 is a blue with RGB values 3, 49, 105 and HSL 213°, 94%, 21%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#033169#033169
HEX#033169
RGBrgb(3, 49, 105)
RGB (0–1)0.0118, 0.1922, 0.4118
RGB percentages1.2%, 19.2%, 41.2%
HSLhsl(212.9, 94.4%, 21.2%)
HSV / HSBhsv(212.9, 97.1%, 41.2%)
CMYK97.1%, 53.3%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer209,257
CSS custom property--colour: #033169;

Brightness & contrast

Relative luminance0.03236WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.75:1
Contrast with white12.75:1WCAG normal text: AAA
Contrast with black1.65:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FCCE96

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0C376Bno red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#002E68no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#003F48no blue cones; rare, and affects men and women equally; ΔE 35.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.75:1WCAG large text: AAA
Contrast with black, large text1.65:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.7Midnight blue · ΔE 25.8Steel blue · ΔE 34.8Rebecca purple · ΔE 36.6Dark slate grey · ΔE 40.8Slate blue · ΔE 41.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#693B03
Analogous#036469, #080369
Triadic#690331, #316903
Split complementary#690803, #646903
Tetradic#690364, #693B03, #036908

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E93FA
Lighter +30%#0D77F8
Lighter +20%#065FCC
Lighter +10%#04489B
Darker −10%#021A37
Darker −20%#000306
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00316C
Less saturated −25%#11325B

Channel breakdown

R3
G49
B105
Red3 (1.2%)
Green49 (19.2%)
Blue105 (41.2%)
Hue212.94°
Saturation (HSL)94.44%
Lightness21.18%
Dominant channelBlue
Hex per channelR 03 · G 31 · B 69

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Every value on this page was computed from “hex 033169” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.