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Recognised as Colour

#001743

  • #001743
  • Blue
  • Dark
  • Nearest: Dark slateblue

#001743 is a blue with RGB values 0, 23, 67 and HSL 219°, 100%, 13%. It is a dark colour, so white text on it reaches 17.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#001743#001743
HEX#001743
RGBrgb(0, 23, 67)
RGB (0–1)0, 0.0902, 0.2627
RGB percentages0%, 9%, 26.3%
HSLhsl(219.4, 100%, 13.1%)
HSV / HSBhsv(219.4, 100%, 26.3%)
CMYK100%, 65.7%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,955
CSS custom property--colour: #001743;

Brightness & contrast

Relative luminance0.01018WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.45:1
Contrast with white17.45:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#FFE8BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D44no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#001742no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#00222Ano blue cones; rare, and affects men and women equally; ΔE 29.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.45:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28.5Midnight blue · ΔE 28.5Black · ΔE 33.8Dark slate grey · ΔE 41.8Rebecca purple · ΔE 42.6Steel blue · ΔE 46.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 28.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#432C00
Analogous#003843, #0B0043
Triadic#430017, #174300
Split complementary#430B00, #384300
Tetradic#430038, #432C00, #00430B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1062FF
Lighter +30%#004CDC
Lighter +20%#003AA9
Lighter +10%#002976
Darker −10%#000510
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001743
Less saturated −25%#081A3B

Channel breakdown

R0
G23
B67
Red0 (0%)
Green23 (9%)
Blue67 (26.3%)
Hue219.4°
Saturation (HSL)100%
Lightness13.14%
Dominant channelBlue
Hex per channelR 00 · G 17 · B 43

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Every value on this page was computed from “hex 001743” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.