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Recognised as Colour

#03143E

  • #03143E
  • Blue
  • Dark
  • Nearest: Midnight blue

#03143E is a blue with RGB values 3, 20, 62 and HSL 223°, 91%, 13%. It is a dark colour, so white text on it reaches 17.9:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#03143E#03143E
HEX#03143E
RGBrgb(3, 20, 62)
RGB (0–1)0.0118, 0.0784, 0.2431
RGB percentages1.2%, 7.8%, 24.3%
HSLhsl(222.7, 90.8%, 12.7%)
HSV / HSBhsv(222.7, 95.2%, 24.3%)
CMYK95.2%, 67.7%, 0%, 75.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer201,790
CSS custom property--colour: #03143E;

Brightness & contrast

Relative luminance0.00867WCAG 2.x, 0 is black and 1 is white
Perceived brightness26 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.9:1
Contrast with white17.9:1WCAG normal text: AAA
Contrast with black1.17:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#FCEBC1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001A3Fno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#00143Dno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#001F26no blue cones; rare, and affects men and women equally; ΔE 29.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.9:1WCAG large text: AAA
Contrast with black, large text1.17:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 29.5Dark slateblue · ΔE 29.9Black · ΔE 32.3Dark slate grey · ΔE 41.9Rebecca purple · ΔE 43.6Steel blue · ΔE 47.6
Nearest named CSS colourMidnight blue (#191970)ΔE 29.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3E2D03
Analogous#03313E, #10033E
Triadic#3E0314, #143E03
Split complementary#3E1003, #313E03
Tetradic#3E0331, #3E2D03, #033E10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1958F4
Lighter +30%#0A43D0
Lighter +20%#08339F
Lighter +10%#05246F
Darker −10%#01040D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001341
Less saturated −25%#0B1736

Channel breakdown

R3
G20
B62
Red3 (1.2%)
Green20 (7.8%)
Blue62 (24.3%)
Hue222.71°
Saturation (HSL)90.77%
Lightness12.75%
Dominant channelBlue
Hex per channelR 03 · G 14 · B 3E

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Every value on this page was computed from “03143e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.