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Colour

#003AAC

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

#003AAC is a blue with RGB values 0, 58, 172 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

#003AAC#003AAC
HEX#003AAC
RGBrgb(0, 58, 172)
RGB (0–1)0, 0.2275, 0.6745
RGB percentages0%, 22.7%, 67.5%
HSLhsl(219.8, 100%, 33.7%)
HSV / HSBhsv(219.8, 100%, 67.5%)
CMYK100%, 66.3%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,020
CSS custom property--colour: #003AAC;

Brightness & contrast

Relative luminance0.06005WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.54:1
Contrast with white9.54:1WCAG normal text: AAA
Contrast with black2.2:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#FFC553

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004DB0no red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#003EAAno 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 65.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.54:1WCAG large text: AAA
Contrast with black, large text2.2:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.8Royal blue · ΔE 19.2Midnight blue · ΔE 20.2Rebecca purple · ΔE 21Navy · ΔE 22.8Dark slateblue · ΔE 23.2
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#AC7200
Analogous#0090AC, #1C00AC
Triadic#AC003A, #3AAC00
Split complementary#AC1C00, #90AC00
Tetradic#AC0090, #AC7200, #00AC1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#79A6FF
Lighter +30%#4684FF
Lighter +20%#1363FF
Lighter +10%#004BDF
Darker −10%#002979
Darker −20%#001846
Darker −30%#000613
Darker −40%#000000
More saturated +25%#003AAC
Less saturated −25%#164197

Channel breakdown

R0
G58
B172
Red0 (0%)
Green58 (22.7%)
Blue172 (67.5%)
Hue219.77°
Saturation (HSL)100%
Lightness33.73%
Dominant channelBlue
Hex per channelR 00 · G 3A · B AC

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