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Recognised as Colour

#003EA3

  • #003EA3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#003EA3 is a blue with RGB values 0, 62, 163 and HSL 217°, 100%, 32%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#003EA3#003EA3
HEX#003EA3
RGBrgb(0, 62, 163)
RGB (0–1)0, 0.2431, 0.6392
RGB percentages0%, 24.3%, 63.9%
HSLhsl(217.2, 100%, 32%)
HSV / HSBhsv(217.2, 100%, 63.9%)
CMYK100%, 62%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer16,035
CSS custom property--colour: #003EA3;

Brightness & contrast

Relative luminance0.0609WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.47:1
Contrast with white9.47:1WCAG normal text: AAA
Contrast with black2.22:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#FFC15C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DA6no red cones; affects about 1% of men; ΔE 11.5 from the original
Deuteranopia#003FA1no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#00596Ano blue cones; rare, and affects men and women equally; ΔE 59.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.47:1WCAG large text: AAA
Contrast with black, large text2.22:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.8Midnight blue · ΔE 17.7Slate blue · ΔE 19Royal blue · ΔE 19.3Rebecca purple · ΔE 21.3Medium slateblue · ΔE 28.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A36500
Analogous#008FA3, #1400A3
Triadic#A3003E, #3EA300
Split complementary#A31400, #8FA300
Tetradic#A3008F, #A36500, #00A314

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#70A6FF
Lighter +30%#3D87FF
Lighter +20%#0A67FF
Lighter +10%#0051D6
Darker −10%#002B70
Darker −20%#00173D
Darker −30%#00040A
Darker −40%#000000
More saturated +25%#003EA3
Less saturated −25%#14438F

Channel breakdown

R0
G62
B163
Red0 (0%)
Green62 (24.3%)
Blue163 (63.9%)
Hue217.18°
Saturation (HSL)100%
Lightness31.96%
Dominant channelBlue
Hex per channelR 00 · G 3E · B A3

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Every value on this page was computed from “003ea3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.