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Colour

#1D2C75

  • #1D2C75
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1D2C75 is a blue with RGB values 29, 44, 117 and HSL 230°, 60%, 29%. 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 slateblue.

Colour values

#1D2C75#1D2C75
HEX#1D2C75
RGBrgb(29, 44, 117)
RGB (0–1)0.1137, 0.1725, 0.4588
RGB percentages11.4%, 17.3%, 45.9%
HSLhsl(229.8, 60.3%, 28.6%)
HSV / HSBhsv(229.8, 75.2%, 45.9%)
CMYK75.2%, 62.4%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,911,925
CSS custom property--colour: #1D2C75;

Brightness & contrast

Relative luminance0.03347WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.58:1
Contrast with white12.58:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#E2D38A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003777no red cones; affects about 1% of men; ΔE 10.4 from the original
Deuteranopia#002F74no green cones; the most common form, about 1% of men; ΔE 5.3 from the original
Tritanopia#003E4Cno blue cones; rare, and affects men and women equally; ΔE 45 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.58:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.7Midnight blue · ΔE 13.1Rebecca purple · ΔE 24.7Slate blue · ΔE 31.4Indigo · ΔE 31.9Royal blue · ΔE 34.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#75661D
Analogous#1D5875, #3A1D75
Triadic#751D2C, #2C751D
Split complementary#753A1D, #58751D
Tetradic#751D58, #75661D, #1D753A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7F8FDF
Lighter +30%#566CD5
Lighter +20%#314BC7
Lighter +10%#273B9E
Darker −10%#131D4C
Darker −20%#090D23
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B2087
Less saturated −25%#2F3863

Channel breakdown

R29
G44
B117
Red29 (11.4%)
Green44 (17.3%)
Blue117 (45.9%)
Hue229.77°
Saturation (HSL)60.27%
Lightness28.63%
Dominant channelBlue
Hex per channelR 1D · G 2C · B 75

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Every value on this page was computed from “1d2c75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.