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Recognised as Colour

#000543

  • #000543
  • Blue
  • Dark
  • Nearest: Midnight blue

#000543 is a blue with RGB values 0, 5, 67 and HSL 236°, 100%, 13%. It is a dark colour, so white text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000543#000543
HEX#000543
RGBrgb(0, 5, 67)
RGB (0–1)0, 0.0196, 0.2627
RGB percentages0%, 2%, 26.3%
HSLhsl(235.5, 100%, 13.1%)
HSV / HSBhsv(235.5, 100%, 26.3%)
CMYK100%, 92.5%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,347
CSS custom property--colour: #000543;

Brightness & contrast

Relative luminance0.00514WCAG 2.x, 0 is black and 1 is white
Perceived brightness22.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.04:1
Contrast with white19.04:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#FFFABC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001445no red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#000C42no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#001925no blue cones; rare, and affects men and women equally; ΔE 38.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.04:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 18.5Dark slateblue · ΔE 26.7Rebecca purple · ΔE 35.8Indigo · ΔE 36.3Navy · ΔE 37.4Dark blue · ΔE 42.6
Nearest named CSS colourMidnight blue (#191970)ΔE 18.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#433E00
Analogous#002743, #1C0043
Triadic#430005, #054300
Split complementary#431C00, #274300
Tetradic#430027, #433E00, #00431D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1022FF
Lighter +30%#0010DC
Lighter +20%#000DA9
Lighter +10%#000976
Darker −10%#000110
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000543
Less saturated −25%#080C3B

Channel breakdown

R0
G5
B67
Red0 (0%)
Green5 (2%)
Blue67 (26.3%)
Hue235.52°
Saturation (HSL)100%
Lightness13.14%
Dominant channelBlue
Hex per channelR 00 · G 05 · B 43

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Every value on this page was computed from “hex 000543” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.