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Recognised as Colour

#1D4186

  • #1D4186
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1D4186 is a blue with RGB values 29, 65, 134 and HSL 219°, 64%, 32%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1D4186#1D4186
HEX#1D4186
RGBrgb(29, 65, 134)
RGB (0–1)0.1137, 0.2549, 0.5255
RGB percentages11.4%, 25.5%, 52.5%
HSLhsl(219.4, 64.4%, 32%)
HSV / HSBhsv(219.4, 78.4%, 52.5%)
CMYK78.4%, 51.5%, 0%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,917,318
CSS custom property--colour: #1D4186;

Brightness & contrast

Relative luminance0.05763WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.76:1
Contrast with white9.76:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#E2BE79

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#174989no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#003F85no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#00525Dno blue cones; rare, and affects men and women equally; ΔE 42.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.76:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.8Midnight blue · ΔE 23.5Rebecca purple · ΔE 30.1Steel blue · ΔE 31.1Slate blue · ΔE 32Royal blue · ΔE 32.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.81, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#86621D
Analogous#1D7586, #2E1D86
Triadic#861D41, #41861D
Split complementary#862E1D, #75861D
Tetradic#861D75, #86621D, #1D862E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#89A9E6
Lighter +30%#608ADC
Lighter +20%#366CD3
Lighter +10%#2655B0
Darker −10%#142D5C
Darker −20%#0B1832
Darker −30%#020408
Darker −40%#000000
More saturated +25%#093B9A
Less saturated −25%#314772

Channel breakdown

R29
G65
B134
Red29 (11.4%)
Green65 (25.5%)
Blue134 (52.5%)
Hue219.43°
Saturation (HSL)64.42%
Lightness31.96%
Dominant channelBlue
Hex per channelR 1D · G 41 · B 86

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Every value on this page was computed from “1d4186” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.