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Colour

#131C52

  • #131C52
  • Blue
  • Dark
  • Nearest: Midnight blue

#131C52 is a blue with RGB values 19, 28, 82 and HSL 231°, 62%, 20%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#131C52#131C52
HEX#131C52
RGBrgb(19, 28, 82)
RGB (0–1)0.0745, 0.1098, 0.3216
RGB percentages7.5%, 11%, 32.2%
HSLhsl(231.4, 62.4%, 19.8%)
HSV / HSBhsv(231.4, 76.8%, 32.2%)
CMYK76.8%, 65.9%, 0%, 67.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,252,434
CSS custom property--colour: #131C52;

Brightness & contrast

Relative luminance0.01578WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.96:1
Contrast with white15.96:1WCAG normal text: AAA
Contrast with black1.32:1WCAG normal text: Fail
Greyscale equivalent#1E1E1E
Inverted#ECE3AD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002554no red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#001F51no green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#002A33no blue cones; rare, and affects men and women equally; ΔE 36.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.96:1WCAG large text: AAA
Contrast with black, large text1.32:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 21.3Dark slateblue · ΔE 21.3Rebecca purple · ΔE 34.9Indigo · ΔE 40.1Black · ΔE 40.5Navy · ΔE 43
Nearest named CSS colourMidnight blue (#191970)ΔE 21.32, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#524913
Analogous#133C52, #2A1352
Triadic#52131C, #1C5213
Split complementary#522A13, #3B5213
Tetradic#52133B, #524913, #13522A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#596BD8
Lighter +30%#3046CE
Lighter +20%#2638A5
Lighter +10%#1D2A7B
Darker −10%#090E29
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#06135F
Less saturated −25%#202545

Channel breakdown

R19
G28
B82
Red19 (7.5%)
Green28 (11%)
Blue82 (32.2%)
Hue231.43°
Saturation (HSL)62.38%
Lightness19.8%
Dominant channelBlue
Hex per channelR 13 · G 1C · B 52

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Every value on this page was computed from “131c52” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.