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Colour

#002B77

  • #002B77
  • Blue
  • Dark
  • Nearest: Midnight blue

#002B77 is a blue with RGB values 0, 43, 119 and HSL 218°, 100%, 23%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002B77#002B77
HEX#002B77
RGBrgb(0, 43, 119)
RGB (0–1)0, 0.1686, 0.4667
RGB percentages0%, 16.9%, 46.7%
HSLhsl(218.3, 100%, 23.3%)
HSV / HSBhsv(218.3, 100%, 46.7%)
CMYK100%, 63.9%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,127
CSS custom property--colour: #002B77;

Brightness & contrast

Relative luminance0.0306WCAG 2.x, 0 is black and 1 is white
Perceived brightness52 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.03:1
Contrast with white13.03:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#FFD488

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003679no red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#002C76no green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#003F4Cno blue cones; rare, and affects men and women equally; ΔE 47.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.03:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.6Dark slateblue · ΔE 12.9Rebecca purple · ΔE 25.9Slate blue · ΔE 31.5Indigo · ΔE 32.1Navy · ΔE 33.4
Nearest named CSS colourMidnight blue (#191970)ΔE 12.55, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#774C00
Analogous#006677, #110077
Triadic#77002B, #2B7700
Split complementary#771100, #667700
Tetradic#770066, #774C00, #007711

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4488FF
Lighter +30%#1167FF
Lighter +20%#0050DD
Lighter +10%#003DAA
Darker −10%#001944
Darker −20%#000611
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002B77
Less saturated −25%#0F2F68

Channel breakdown

R0
G43
B119
Red0 (0%)
Green43 (16.9%)
Blue119 (46.7%)
Hue218.32°
Saturation (HSL)100%
Lightness23.33%
Dominant channelBlue
Hex per channelR 00 · G 2B · B 77

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Every value on this page was computed from “002b77” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.