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Colour

#003169

  • #003169
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003169 is a blue with RGB values 0, 49, 105 and HSL 212°, 100%, 21%. It is a dark colour, so white text on it reaches 12.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003169#003169
HEX#003169
RGBrgb(0, 49, 105)
RGB (0–1)0, 0.1922, 0.4118
RGB percentages0%, 19.2%, 41.2%
HSLhsl(212, 100%, 20.6%)
HSV / HSBhsv(212, 100%, 41.2%)
CMYK100%, 53.3%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,649
CSS custom property--colour: #003169;

Brightness & contrast

Relative luminance0.03217WCAG 2.x, 0 is black and 1 is white
Perceived brightness51.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.78:1
Contrast with white12.78:1WCAG normal text: AAA
Contrast with black1.64:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FFCE96

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B376Bno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#002E68no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#003F48no blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.78:1WCAG large text: AAA
Contrast with black, large text1.64:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.9Midnight blue · ΔE 26Steel blue · ΔE 34.7Rebecca purple · ΔE 36.8Dark slate grey · ΔE 40.7Slate blue · ΔE 41.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#693800
Analogous#006669, #030069
Triadic#690031, #316900
Split complementary#690300, #656900
Tetradic#690066, #693800, #006903

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3694FF
Lighter +30%#0379FF
Lighter +20%#0061CF
Lighter +10%#00499C
Darker −10%#001936
Darker −20%#000103
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003169
Less saturated −25%#0D325C

Channel breakdown

R0
G49
B105
Red0 (0%)
Green49 (19.2%)
Blue105 (41.2%)
Hue212°
Saturation (HSL)100%
Lightness20.59%
Dominant channelBlue
Hex per channelR 00 · G 31 · B 69

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Every value on this page was computed from “hex 003169” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.