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Recognised as Colour

#031C46

  • #031C46
  • Blue
  • Dark
  • Nearest: Dark slateblue

#031C46 is a blue with RGB values 3, 28, 70 and HSL 218°, 92%, 14%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#031C46#031C46
HEX#031C46
RGBrgb(3, 28, 70)
RGB (0–1)0.0118, 0.1098, 0.2745
RGB percentages1.2%, 11%, 27.5%
HSLhsl(217.6, 91.8%, 14.3%)
HSV / HSBhsv(217.6, 95.7%, 27.5%)
CMYK95.7%, 60%, 0%, 72.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer203,846
CSS custom property--colour: #031C46;

Brightness & contrast

Relative luminance0.01292WCAG 2.x, 0 is black and 1 is white
Perceived brightness32 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.69:1
Contrast with white16.69:1WCAG normal text: AAA
Contrast with black1.26:1WCAG normal text: Fail
Greyscale equivalent#1A1A1A
Inverted#FCE3B9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002147no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#001B45no green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#00262Dno blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.69:1WCAG large text: AAA
Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 28.7Midnight blue · ΔE 30.5Black · ΔE 32.6Dark slate grey · ΔE 38.7Steel blue · ΔE 43.6Rebecca purple · ΔE 43.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 28.69, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#462D03
Analogous#033D46, #0C0346
Triadic#46031C, #1C4603
Split complementary#460C03, #3D4603
Tetradic#46033D, #462D03, #03460C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#206FF5
Lighter +30%#0957D9
Lighter +20%#0743A8
Lighter +10%#053077
Darker −10%#010815
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001B49
Less saturated −25%#0C1E3D

Channel breakdown

R3
G28
B70
Red3 (1.2%)
Green28 (11%)
Blue70 (27.5%)
Hue217.61°
Saturation (HSL)91.78%
Lightness14.31%
Dominant channelBlue
Hex per channelR 03 · G 1C · B 46

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Every value on this page was computed from “031c46” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.