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Colour

#002C8B

  • #002C8B
  • Blue
  • Dark
  • Nearest: Midnight blue

#002C8B is a blue with RGB values 0, 44, 139 and HSL 221°, 100%, 27%. 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

#002C8B#002C8B
HEX#002C8B
RGBrgb(0, 44, 139)
RGB (0–1)0, 0.1725, 0.5451
RGB percentages0%, 17.3%, 54.5%
HSLhsl(221, 100%, 27.3%)
HSV / HSBhsv(221, 100%, 54.5%)
CMYK100%, 68.3%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,403
CSS custom property--colour: #002C8B;

Brightness & contrast

Relative luminance0.03665WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.12:1
Contrast with white12.12:1WCAG normal text: AAA
Contrast with black1.73:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#FFD374

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003C8Eno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#003089no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#004657no blue cones; rare, and affects men and women equally; ΔE 57.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.12:1WCAG large text: AAA
Contrast with black, large text1.73:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.8Dark slateblue · ΔE 16.1Rebecca purple · ΔE 20.1Navy · ΔE 23.5Indigo · ΔE 23.9Slate blue · ΔE 24.3
Nearest named CSS colourMidnight blue (#191970)ΔE 9.83, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B5F00
Analogous#00728B, #1A008B
Triadic#8B002C, #2C8B00
Split complementary#8B1900, #728B00
Tetradic#8B0071, #8B5F00, #008B19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#588DFF
Lighter +30%#256AFF
Lighter +20%#004CF1
Lighter +10%#003CBE
Darker −10%#001C58
Darker −20%#000C25
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002C8B
Less saturated −25%#11327A

Channel breakdown

R0
G44
B139
Red0 (0%)
Green44 (17.3%)
Blue139 (54.5%)
Hue221.01°
Saturation (HSL)100%
Lightness27.25%
Dominant channelBlue
Hex per channelR 00 · G 2C · B 8B

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Every value on this page was computed from “002c8b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.