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Recognised as Colour

#131C80

  • #131C80
  • Blue
  • Dark
  • Nearest: Midnight blue

#131C80 is a blue with RGB values 19, 28, 128 and HSL 235°, 74%, 29%. It is a dark colour, so white text on it reaches 13.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#131C80#131C80
HEX#131C80
RGBrgb(19, 28, 128)
RGB (0–1)0.0745, 0.1098, 0.502
RGB percentages7.5%, 11%, 50.2%
HSLhsl(235, 74.1%, 28.8%)
HSV / HSBhsv(235, 85.2%, 50.2%)
CMYK85.2%, 78.1%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,252,480
CSS custom property--colour: #131C80;

Brightness & contrast

Relative luminance0.02527WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.95:1
Contrast with white13.95:1WCAG normal text: AAA
Contrast with black1.51:1WCAG normal text: Fail
Greyscale equivalent#212121
Inverted#ECE37F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003183no red cones; affects about 1% of men; ΔE 16.3 from the original
Deuteranopia#00277Eno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#003A4Dno blue cones; rare, and affects men and women equally; ΔE 59.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.95:1WCAG large text: AAA
Contrast with black, large text1.51:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 7.8Navy · ΔE 15.8Indigo · ΔE 16.9Rebecca purple · ΔE 19Dark blue · ΔE 19.9Dark slateblue · ΔE 21.2
Nearest named CSS colourMidnight blue (#191970)ΔE 7.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#807713
Analogous#135280, #401380
Triadic#80131C, #1C8013
Split complementary#804113, #528013
Tetradic#801353, #807713, #138041

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#757EEA
Lighter +30%#4855E4
Lighter +20%#202FD9
Lighter +10%#1A26AC
Darker −10%#0C1254
Darker −20%#060927
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010D92
Less saturated −25%#252B6E

Channel breakdown

R19
G28
B128
Red19 (7.5%)
Green28 (11%)
Blue128 (50.2%)
Hue235.05°
Saturation (HSL)74.15%
Lightness28.82%
Dominant channelBlue
Hex per channelR 13 · G 1C · B 80

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Every value on this page was computed from “131c80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.