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Recognised as Colour

#002A91

  • #002A91
  • Blue
  • Dark
  • Nearest: Midnight blue

#002A91 is a blue with RGB values 0, 42, 145 and HSL 223°, 100%, 28%. It is a dark colour, so white text on it reaches 12.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002A91#002A91
HEX#002A91
RGBrgb(0, 42, 145)
RGB (0–1)0, 0.1647, 0.5686
RGB percentages0%, 16.5%, 56.9%
HSLhsl(222.6, 100%, 28.4%)
HSV / HSBhsv(222.6, 100%, 56.9%)
CMYK100%, 71%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,897
CSS custom property--colour: #002A91;

Brightness & contrast

Relative luminance0.037WCAG 2.x, 0 is black and 1 is white
Perceived brightness58.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.07:1
Contrast with white12.07:1WCAG normal text: AAA
Contrast with black1.74:1WCAG normal text: Fail
Greyscale equivalent#292929
Inverted#FFD56E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003D94no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#00308Fno green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#00475Ano blue cones; rare, and affects men and women equally; ΔE 61.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.07:1WCAG large text: AAA
Contrast with black, large text1.74:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.9Navy · ΔE 19.2Rebecca purple · ΔE 19.4Dark slateblue · ΔE 19.9Indigo · ΔE 20.9Dark blue · ΔE 22.3
Nearest named CSS colourMidnight blue (#191970)ΔE 11.86, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#916700
Analogous#007291, #1F0091
Triadic#91002A, #2A9100
Split complementary#911F00, #729100
Tetradic#910072, #916700, #00911F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5E8DFF
Lighter +30%#2B68FF
Lighter +20%#0048F7
Lighter +10%#0039C4
Darker −10%#001B5E
Darker −20%#000C2B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002A91
Less saturated −25%#12327F

Channel breakdown

R0
G42
B145
Red0 (0%)
Green42 (16.5%)
Blue145 (56.9%)
Hue222.62°
Saturation (HSL)100%
Lightness28.43%
Dominant channelBlue
Hex per channelR 00 · G 2A · B 91

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Every value on this page was computed from “002a91” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.