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Colour

#003AAD

  • #003AAD
  • Blue
  • Dark
  • Nearest: Slate blue

#003AAD is a blue with RGB values 0, 58, 173 and HSL 220°, 100%, 34%. It is a dark colour, so white text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#003AAD#003AAD
HEX#003AAD
RGBrgb(0, 58, 173)
RGB (0–1)0, 0.2275, 0.6784
RGB percentages0%, 22.7%, 67.8%
HSLhsl(219.9, 100%, 33.9%)
HSV / HSBhsv(219.9, 100%, 67.8%)
CMYK100%, 66.5%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,021
CSS custom property--colour: #003AAD;

Brightness & contrast

Relative luminance0.06043WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.51:1
Contrast with white9.51:1WCAG normal text: AAA
Contrast with black2.21:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#FFC552

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DB1no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#003EABno green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#00596Eno blue cones; rare, and affects men and women equally; ΔE 66.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.51:1WCAG large text: AAA
Contrast with black, large text2.21:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.8Royal blue · ΔE 19.2Midnight blue · ΔE 20.6Rebecca purple · ΔE 21.1Navy · ΔE 22.6Dark slateblue · ΔE 23.8
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AD7300
Analogous#0090AD, #1D00AD
Triadic#AD003A, #3AAD00
Split complementary#AD1D00, #90AD00
Tetradic#AD0091, #AD7300, #00AD1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7AA7FF
Lighter +30%#4785FF
Lighter +20%#1463FF
Lighter +10%#004BE0
Darker −10%#00297A
Darker −20%#001847
Darker −30%#000714
Darker −40%#000000
More saturated +25%#003AAD
Less saturated −25%#164197

Channel breakdown

R0
G58
B173
Red0 (0%)
Green58 (22.7%)
Blue173 (67.8%)
Hue219.88°
Saturation (HSL)100%
Lightness33.92%
Dominant channelBlue
Hex per channelR 00 · G 3A · B AD

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