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Colour

#1D3142

  • #1D3142
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1D3142 is a blue with RGB values 29, 49, 66 and HSL 208°, 39%, 19%. It is a dark colour, so white text on it reaches 13.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D3142#1D3142
HEX#1D3142
RGBrgb(29, 49, 66)
RGB (0–1)0.1137, 0.1922, 0.2588
RGB percentages11.4%, 19.2%, 25.9%
HSLhsl(207.6, 38.9%, 18.6%)
HSV / HSBhsv(207.6, 56.1%, 25.9%)
CMYK56.1%, 25.8%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,913,154
CSS custom property--colour: #1D3142;

Brightness & contrast

Relative luminance0.02851WCAG 2.x, 0 is black and 1 is white
Perceived brightness46.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.37:1
Contrast with white13.37:1WCAG normal text: AAA
Contrast with black1.57:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#E2CEBD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A3143no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#252D42no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#0B3537no blue cones; rare, and affects men and women equally; ΔE 13.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.37:1WCAG large text: AAA
Contrast with black, large text1.57:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.8Black · ΔE 23.6Dim grey · ΔE 28.3Slate grey · ΔE 33.5Light slate grey · ΔE 36.5Gray · ΔE 36.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#422E1D
Analogous#1D4241, #1D1E42
Triadic#421D31, #31421D
Split complementary#421D1E, #42411D
Tetradic#411D42, #422E1D, #1E421D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C99BF
Lighter +30%#4C80AC
Lighter +20%#3C6689
Lighter +10%#2D4B65
Darker −10%#0D171F
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#11324E
Less saturated −25%#293036

Channel breakdown

R29
G49
B66
Red29 (11.4%)
Green49 (19.2%)
Blue66 (25.9%)
Hue207.57°
Saturation (HSL)38.95%
Lightness18.63%
Dominant channelBlue
Hex per channelR 1D · G 31 · B 42

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Every value on this page was computed from “1d3142” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.