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Recognised as Colour

#1D2368

  • #1D2368
  • Blue
  • Dark
  • Nearest: Midnight blue

#1D2368 is a blue with RGB values 29, 35, 104 and HSL 235°, 56%, 26%. It is a dark colour, so white text on it reaches 14.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1D2368#1D2368
HEX#1D2368
RGBrgb(29, 35, 104)
RGB (0–1)0.1137, 0.1373, 0.4078
RGB percentages11.4%, 13.7%, 40.8%
HSLhsl(235.2, 56.4%, 26.1%)
HSV / HSBhsv(235.2, 72.1%, 40.8%)
CMYK72.1%, 66.3%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,909,608
CSS custom property--colour: #1D2368;

Brightness & contrast

Relative luminance0.02463WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.07:1
Contrast with white14.07:1WCAG normal text: AAA
Contrast with black1.49:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#E2DC97

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002F6Ano red cones; affects about 1% of men; ΔE 11.6 from the original
Deuteranopia#002867no green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#003542no blue cones; rare, and affects men and women equally; ΔE 43.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.07:1WCAG large text: AAA
Contrast with black, large text1.49:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.5Dark slateblue · ΔE 13.6Rebecca purple · ΔE 26Indigo · ΔE 31.7Navy · ΔE 34.6Slate blue · ΔE 34.9
Nearest named CSS colourMidnight blue (#191970)ΔE 12.54, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#68621D
Analogous#1D4868, #3D1D68
Triadic#681D23, #23681D
Split complementary#683C1D, #49681D
Tetradic#681D48, #68621D, #1D683D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7880D9
Lighter +30%#505ACE
Lighter +20%#333EB8
Lighter +10%#283090
Darker −10%#121640
Darker −20%#070818
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C1579
Less saturated −25%#2E3157

Channel breakdown

R29
G35
B104
Red29 (11.4%)
Green35 (13.7%)
Blue104 (40.8%)
Hue235.2°
Saturation (HSL)56.39%
Lightness26.08%
Dominant channelBlue
Hex per channelR 1D · G 23 · B 68

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Every value on this page was computed from “1d2368” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.