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Recognised as Colour

#003890

  • #003890
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003890 is a blue with RGB values 0, 56, 144 and HSL 217°, 100%, 28%. It is a dark colour, so white text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003890#003890
HEX#003890
RGBrgb(0, 56, 144)
RGB (0–1)0, 0.2196, 0.5647
RGB percentages0%, 22%, 56.5%
HSLhsl(216.7, 100%, 28.2%)
HSV / HSBhsv(216.7, 100%, 56.5%)
CMYK100%, 61.1%, 0%, 43.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,480
CSS custom property--colour: #003890;

Brightness & contrast

Relative luminance0.04842WCAG 2.x, 0 is black and 1 is white
Perceived brightness64.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.67:1
Contrast with white10.67:1WCAG normal text: AAA
Contrast with black1.97:1WCAG normal text: Fail
Greyscale equivalent#323232
Inverted#FFC76F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004593no red cones; affects about 1% of men; ΔE 10 from the original
Deuteranopia#00388Eno green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#004F5Eno blue cones; rare, and affects men and women equally; ΔE 53 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.67:1WCAG large text: AAA
Contrast with black, large text1.97:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.4Midnight blue · ΔE 14.8Rebecca purple · ΔE 22.9Slate blue · ΔE 24.4Royal blue · ΔE 25.4Indigo · ΔE 30.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#905800
Analogous#008090, #100090
Triadic#900038, #389000
Split complementary#901000, #809000
Tetradic#900080, #905800, #009010

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5D9CFF
Lighter +30%#2A7DFF
Lighter +20%#0060F6
Lighter +10%#004CC3
Darker −10%#00245D
Darker −20%#00102A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003890
Less saturated −25%#123C7E

Channel breakdown

R0
G56
B144
Red0 (0%)
Green56 (22%)
Blue144 (56.5%)
Hue216.67°
Saturation (HSL)100%
Lightness28.24%
Dominant channelBlue
Hex per channelR 00 · G 38 · B 90

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Every value on this page was computed from “hex 003890” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.