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Recognised as Colour

#003073

  • #003073
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003073 is a blue with RGB values 0, 48, 115 and HSL 215°, 100%, 23%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003073#003073
HEX#003073
RGBrgb(0, 48, 115)
RGB (0–1)0, 0.1882, 0.451
RGB percentages0%, 18.8%, 45.1%
HSLhsl(215, 100%, 22.5%)
HSV / HSBhsv(215, 100%, 45.1%)
CMYK100%, 58.3%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,403
CSS custom property--colour: #003073;

Brightness & contrast

Relative luminance0.03352WCAG 2.x, 0 is black and 1 is white
Perceived brightness53.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.57:1
Contrast with white12.57:1WCAG normal text: AAA
Contrast with black1.67:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FFCF8C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003975no red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#002F72no green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#00414Cno blue cones; rare, and affects men and women equally; ΔE 42.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.57:1WCAG large text: AAA
Contrast with black, large text1.67:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.6Midnight blue · ΔE 19.1Rebecca purple · ΔE 30.6Slate blue · ΔE 35.4Royal blue · ΔE 36.7Steel blue · ΔE 37.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.63, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#734300
Analogous#006973, #0A0073
Triadic#730030, #307300
Split complementary#730A00, #6A7300
Tetradic#730069, #734300, #00730A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4090FF
Lighter +30%#0D72FF
Lighter +20%#005BD9
Lighter +10%#0045A6
Darker −10%#001B40
Darker −20%#00050D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003073
Less saturated −25%#0E3265

Channel breakdown

R0
G48
B115
Red0 (0%)
Green48 (18.8%)
Blue115 (45.1%)
Hue214.96°
Saturation (HSL)100%
Lightness22.55%
Dominant channelBlue
Hex per channelR 00 · G 30 · B 73

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Every value on this page was computed from “hex 003073” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.