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Recognised as Colour

#1340B1

  • #1340B1
  • Blue
  • Dark
  • Nearest: Slate blue

#1340B1 is a blue with RGB values 19, 64, 177 and HSL 223°, 81%, 38%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#1340B1#1340B1
HEX#1340B1
RGBrgb(19, 64, 177)
RGB (0–1)0.0745, 0.251, 0.6941
RGB percentages7.5%, 25.1%, 69.4%
HSLhsl(222.9, 80.6%, 38.4%)
HSV / HSBhsv(222.9, 89.3%, 69.4%)
CMYK89.3%, 63.8%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,261,745
CSS custom property--colour: #1340B1;

Brightness & contrast

Relative luminance0.0698WCAG 2.x, 0 is black and 1 is white
Perceived brightness78 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.76:1
Contrast with white8.76:1WCAG normal text: AAA
Contrast with black2.4:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#ECBF4E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0052B5no red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#0044AFno green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#005E72no blue cones; rare, and affects men and women equally; ΔE 65.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.76:1WCAG large text: AAA
Contrast with black, large text2.4:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.8Royal blue · ΔE 16.7Rebecca purple · ΔE 20.7Midnight blue · ΔE 21.3Dark slateblue · ΔE 22.1Medium slateblue · ΔE 23.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B18413
Analogous#138FB1, #3513B1
Triadic#B11340, #40B113
Split complementary#B13513, #8FB113
Tetradic#B1138F, #B18413, #13B135

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9CB5F4
Lighter +30%#6E93EF
Lighter +20%#4070EA
Lighter +10%#1851DF
Darker −10%#0E2F83
Darker −20%#091F55
Darker −30%#040E27
Darker −40%#000000
More saturated +25%#0038C4
Less saturated −25%#2B4B99

Channel breakdown

R19
G64
B177
Red19 (7.5%)
Green64 (25.1%)
Blue177 (69.4%)
Hue222.91°
Saturation (HSL)80.61%
Lightness38.43%
Dominant channelBlue
Hex per channelR 13 · G 40 · B B1

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Every value on this page was computed from “1340b1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.