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Colour

#002C73

  • #002C73
  • Blue
  • Dark
  • Nearest: Dark slateblue

#002C73 is a blue with RGB values 0, 44, 115 and HSL 217°, 100%, 23%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#002C73#002C73
HEX#002C73
RGBrgb(0, 44, 115)
RGB (0–1)0, 0.1725, 0.451
RGB percentages0%, 17.3%, 45.1%
HSLhsl(217, 100%, 22.5%)
HSV / HSBhsv(217, 100%, 45.1%)
CMYK100%, 61.7%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,379
CSS custom property--colour: #002C73;

Brightness & contrast

Relative luminance0.03039WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.06:1
Contrast with white13.06:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#FFD38C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003675no red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#002C72no green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#003E4Bno blue cones; rare, and affects men and women equally; ΔE 43.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.06:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.7Midnight blue · ΔE 15.5Rebecca purple · ΔE 28.2Slate blue · ΔE 33.8Indigo · ΔE 35Royal blue · ΔE 35.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#734700
Analogous#006673, #0D0073
Triadic#73002C, #2C7300
Split complementary#730E00, #667300
Tetradic#730066, #734700, #00730E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4089FF
Lighter +30%#0D6AFF
Lighter +20%#0053D9
Lighter +10%#0040A6
Darker −10%#001840
Darker −20%#00050D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002C73
Less saturated −25%#0E2F65

Channel breakdown

R0
G44
B115
Red0 (0%)
Green44 (17.3%)
Blue115 (45.1%)
Hue217.04°
Saturation (HSL)100%
Lightness22.55%
Dominant channelBlue
Hex per channelR 00 · G 2C · B 73

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Every value on this page was computed from “002c73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.