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Colour

#131C9A

  • #131C9A
  • Blue
  • Dark
  • Nearest: Dark blue

#131C9A is a blue with RGB values 19, 28, 154 and HSL 236°, 78%, 34%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#131C9A#131C9A
HEX#131C9A
RGBrgb(19, 28, 154)
RGB (0–1)0.0745, 0.1098, 0.6039
RGB percentages7.5%, 11%, 60.4%
HSLhsl(236, 78%, 33.9%)
HSV / HSBhsv(236, 87.7%, 60.4%)
CMYK87.7%, 81.8%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,252,506
CSS custom property--colour: #131C9A;

Brightness & contrast

Relative luminance0.03302WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.65:1
Contrast with white12.65:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#ECE365

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003A9Dno red cones; affects about 1% of men; ΔE 21.8 from the original
Deuteranopia#002C98no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#00445Cno blue cones; rare, and affects men and women equally; ΔE 71.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.65:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark blue · ΔE 9.1Navy · ΔE 9.2Indigo · ΔE 15.8Midnight blue · ΔE 22.3Rebecca purple · ΔE 23.3Slate blue · ΔE 27.2
Nearest named CSS colourDark blue (#00008B)ΔE 9.07, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A9113
Analogous#13609A, #4E139A
Triadic#9A131C, #1C9A13
Split complementary#9A4D13, #5F9A13
Tetradic#9A135F, #9A9113, #139A4D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8990F0
Lighter +30%#5B65EB
Lighter +20%#2E3AE5
Lighter +10%#1924C7
Darker −10%#0D146D
Darker −20%#080B3F
Darker −30%#020312
Darker −40%#000000
More saturated +25%#000CAD
Less saturated −25%#292F84

Channel breakdown

R19
G28
B154
Red19 (7.5%)
Green28 (11%)
Blue154 (60.4%)
Hue236°
Saturation (HSL)78.03%
Lightness33.92%
Dominant channelBlue
Hex per channelR 13 · G 1C · B 9A

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Every value on this page was computed from “131c9a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.