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Recognised as Colour

#1D4764

  • #1D4764
  • Blue
  • Dark
  • Nearest: Dark slate grey

#1D4764 is a blue with RGB values 29, 71, 100 and HSL 205°, 55%, 25%. 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 slate grey.

Colour values

#1D4764#1D4764
HEX#1D4764
RGBrgb(29, 71, 100)
RGB (0–1)0.1137, 0.2784, 0.3922
RGB percentages11.4%, 27.8%, 39.2%
HSLhsl(204.5, 55%, 25.3%)
HSV / HSBhsv(204.5, 71%, 39.2%)
CMYK71%, 29%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,918,820
CSS custom property--colour: #1D4764;

Brightness & contrast

Relative luminance0.05688WCAG 2.x, 0 is black and 1 is white
Perceived brightness66 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.82:1
Contrast with white9.82:1WCAG normal text: AAA
Contrast with black2.14:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#E2B89B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A4765no red cones; affects about 1% of men; ΔE 8.1 from the original
Deuteranopia#304063no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#004E51no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.82:1WCAG large text: AAA
Contrast with black, large text2.14:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.3Steel blue · ΔE 26.2Slate grey · ΔE 26.6Dim grey · ΔE 26.8Light slate grey · ΔE 29.2Gray · ΔE 33.1
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#643A1D
Analogous#1D645E, #1D2364
Triadic#641D47, #47641D
Split complementary#641D23, #645E1D
Tetradic#5E1D64, #643A1D, #23641D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#76AFD7
Lighter +30%#4E98CC
Lighter +20%#347FB3
Lighter +10%#28638C
Darker −10%#122B3C
Darker −20%#060F15
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0D4A74
Less saturated −25%#2D4454

Channel breakdown

R29
G71
B100
Red29 (11.4%)
Green71 (27.8%)
Blue100 (39.2%)
Hue204.51°
Saturation (HSL)55.04%
Lightness25.29%
Dominant channelBlue
Hex per channelR 1D · G 47 · B 64

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Every value on this page was computed from “1d4764” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.