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Recognised as Colour

#03446D

  • #03446D
  • Blue
  • Dark
  • Nearest: Steel blue

#03446D is a blue with RGB values 3, 68, 109 and HSL 203°, 95%, 22%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#03446D#03446D
HEX#03446D
RGBrgb(3, 68, 109)
RGB (0–1)0.0118, 0.2667, 0.4275
RGB percentages1.2%, 26.7%, 42.7%
HSLhsl(203.2, 94.6%, 22%)
HSV / HSBhsv(203.2, 97.2%, 42.7%)
CMYK97.2%, 37.6%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer214,125
CSS custom property--colour: #03446D;

Brightness & contrast

Relative luminance0.05258WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.24:1
Contrast with white10.24:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#FCBB92

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#30466Fno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#213D6Cno green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#004E53no blue cones; rare, and affects men and women equally; ΔE 26.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.24:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Steel blue · ΔE 25.3Dark slate grey · ΔE 27.4Dark slateblue · ΔE 30.9Slate grey · ΔE 31.3Dim grey · ΔE 33.5Light slate grey · ΔE 33.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 25.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D2C03
Analogous#036D61, #030F6D
Triadic#6D0344, #446D03
Split complementary#6D030F, #6D6103
Tetradic#61036D, #6D2C03, #0F6D03

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#42B3FA
Lighter +30%#119FF8
Lighter +20%#0682D0
Lighter +10%#04639F
Darker −10%#02253B
Darker −20%#00060A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#004570
Less saturated −25%#11415F

Channel breakdown

R3
G68
B109
Red3 (1.2%)
Green68 (26.7%)
Blue109 (42.7%)
Hue203.21°
Saturation (HSL)94.64%
Lightness21.96%
Dominant channelBlue
Hex per channelR 03 · G 44 · B 6D

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Every value on this page was computed from “03446d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.