Nerdulator> put something in

Recognised as Colour

#1D2C47

  • #1D2C47
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1D2C47 is a blue with RGB values 29, 44, 71 and HSL 219°, 42%, 20%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#1D2C47#1D2C47
HEX#1D2C47
RGBrgb(29, 44, 71)
RGB (0–1)0.1137, 0.1725, 0.2784
RGB percentages11.4%, 17.3%, 27.8%
HSLhsl(218.6, 42%, 19.6%)
HSV / HSBhsv(218.6, 59.2%, 27.8%)
CMYK59.2%, 38%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,911,879
CSS custom property--colour: #1D2C47;

Brightness & contrast

Relative luminance0.02518WCAG 2.x, 0 is black and 1 is white
Perceived brightness44.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.97:1
Contrast with white13.97:1WCAG normal text: AAA
Contrast with black1.5:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#E2D3B8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#212E48no red cones; affects about 1% of men; ΔE 1.3 from the original
Deuteranopia#1C2A46no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#073236no blue cones; rare, and affects men and women equally; ΔE 19.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.97:1WCAG large text: AAA
Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 24.9Black · ΔE 26.2Dim grey · ΔE 32.6Dark slateblue · ΔE 35.2Slate grey · ΔE 36.2Steel blue · ΔE 37.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 24.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#47381D
Analogous#1D4147, #231D47
Triadic#471D2C, #2C471D
Split complementary#47231D, #41471D
Tetradic#471D41, #47381D, #1D4723

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6D8CC3
Lighter +30%#496FB4
Lighter +20%#3B598F
Lighter +10%#2C426B
Darker −10%#0E1623
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#102854
Less saturated −25%#29303B

Channel breakdown

R29
G44
B71
Red29 (11.4%)
Green44 (17.3%)
Blue71 (27.8%)
Hue218.57°
Saturation (HSL)42%
Lightness19.61%
Dominant channelBlue
Hex per channelR 1D · G 2C · B 47

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “1d2c47” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.