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Colour

#203C73

  • #203C73
  • Blue
  • Dark
  • Nearest: Dark slateblue

#203C73 is a blue with RGB values 32, 60, 115 and HSL 220°, 56%, 29%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#203C73#203C73
HEX#203C73
RGBrgb(32, 60, 115)
RGB (0–1)0.1255, 0.2353, 0.451
RGB percentages12.5%, 23.5%, 45.1%
HSLhsl(219.8, 56.5%, 28.8%)
HSV / HSBhsv(219.8, 72.2%, 45.1%)
CMYK72.2%, 47.8%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,112,627
CSS custom property--colour: #203C73;

Brightness & contrast

Relative luminance0.04777WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.74:1
Contrast with white10.74:1WCAG normal text: AAA
Contrast with black1.96:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#DFC38C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#204275no red cones; affects about 1% of men; ΔE 4.3 from the original
Deuteranopia#103A72no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#004952no blue cones; rare, and affects men and women equally; ΔE 35.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.74:1WCAG large text: AAA
Contrast with black, large text1.96:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.5Midnight blue · ΔE 28.4Steel blue · ΔE 29.9Rebecca purple · ΔE 36.1Slate grey · ΔE 38Dark slate grey · ΔE 38.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#735720
Analogous#206573, #2E2073
Triadic#73203C, #3C7320
Split complementary#732D20, #657320
Tetradic#732065, #735720, #20732E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#83A1DC
Lighter +30%#5B83D1
Lighter +20%#3666C3
Lighter +10%#2B519B
Darker −10%#15274B
Darker −20%#0A1223
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0E3685
Less saturated −25%#324261

Channel breakdown

R32
G60
B115
Red32 (12.5%)
Green60 (23.5%)
Blue115 (45.1%)
Hue219.76°
Saturation (HSL)56.46%
Lightness28.82%
Dominant channelBlue
Hex per channelR 20 · G 3C · B 73

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Every value on this page was computed from “203c73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.