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Colour

#003AA5

  • #003AA5
  • Blue
  • Dark
  • Nearest: Midnight blue

#003AA5 is a blue with RGB values 0, 58, 165 and HSL 219°, 100%, 32%. It is a dark colour, so white text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#003AA5#003AA5
HEX#003AA5
RGBrgb(0, 58, 165)
RGB (0–1)0, 0.2275, 0.6471
RGB percentages0%, 22.7%, 64.7%
HSLhsl(218.9, 100%, 32.4%)
HSV / HSBhsv(218.9, 100%, 64.7%)
CMYK100%, 64.8%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer15,013
CSS custom property--colour: #003AA5;

Brightness & contrast

Relative luminance0.05743WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.77:1
Contrast with white9.77:1WCAG normal text: AAA
Contrast with black2.15:1WCAG normal text: Fail
Greyscale equivalent#353535
Inverted#FFC55A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004BA8no red cones; affects about 1% of men; ΔE 13.1 from the original
Deuteranopia#003DA3no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#00576Ano blue cones; rare, and affects men and women equally; ΔE 62.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.77:1WCAG large text: AAA
Contrast with black, large text2.15:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 17.8Slate blue · ΔE 18.4Royal blue · ΔE 19.6Dark slateblue · ΔE 19.7Rebecca purple · ΔE 20.4Navy · ΔE 24.6
Nearest named CSS colourMidnight blue (#191970)ΔE 17.76, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A56B00
Analogous#008DA5, #1800A5
Triadic#A5003A, #3AA500
Split complementary#A51800, #8DA500
Tetradic#A5008D, #A56B00, #00A518

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#72A4FF
Lighter +30%#3F82FF
Lighter +20%#0C61FF
Lighter +10%#004CD8
Darker −10%#002872
Darker −20%#00163F
Darker −30%#00040C
Darker −40%#000000
More saturated +25%#003AA5
Less saturated −25%#154090

Channel breakdown

R0
G58
B165
Red0 (0%)
Green58 (22.7%)
Blue165 (64.7%)
Hue218.91°
Saturation (HSL)100%
Lightness32.35%
Dominant channelBlue
Hex per channelR 00 · G 3A · B A5

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Every value on this page was computed from “003aa5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.