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Recognised as Colour

#002177

  • #002177
  • Blue
  • Dark
  • Nearest: Midnight blue

#002177 is a blue with RGB values 0, 33, 119 and HSL 223°, 100%, 23%. It is a dark colour, so white text on it reaches 14.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#002177#002177
HEX#002177
RGBrgb(0, 33, 119)
RGB (0–1)0, 0.1294, 0.4667
RGB percentages0%, 12.9%, 46.7%
HSLhsl(223.4, 100%, 23.3%)
HSV / HSBhsv(223.4, 100%, 46.7%)
CMYK100%, 72.3%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,567
CSS custom property--colour: #002177;

Brightness & contrast

Relative luminance0.0242WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.15:1
Contrast with white14.15:1WCAG normal text: AAA
Contrast with black1.48:1WCAG normal text: Fail
Greyscale equivalent#202020
Inverted#FFDE88

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00317Ano red cones; affects about 1% of men; ΔE 12.7 from the original
Deuteranopia#002675no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#003949no blue cones; rare, and affects men and women equally; ΔE 52.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.15:1WCAG large text: AAA
Contrast with black, large text1.48:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 4.9Dark slateblue · ΔE 16.2Rebecca purple · ΔE 22.2Indigo · ΔE 24.5Navy · ΔE 24.5Dark blue · ΔE 28.9
Nearest named CSS colourMidnight blue (#191970)ΔE 4.92, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#775600
Analogous#005C77, #1B0077
Triadic#770021, #217700
Split complementary#771B00, #5C7700
Tetradic#77005C, #775600, #00771B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4478FF
Lighter +30%#1153FF
Lighter +20%#003DDD
Lighter +10%#002FAA
Darker −10%#001344
Darker −20%#000511
Darker −30%#000000
Darker −40%#000000
More saturated +25%#002177
Less saturated −25%#0F2868

Channel breakdown

R0
G33
B119
Red0 (0%)
Green33 (12.9%)
Blue119 (46.7%)
Hue223.36°
Saturation (HSL)100%
Lightness23.33%
Dominant channelBlue
Hex per channelR 00 · G 21 · B 77

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Every value on this page was computed from “hex 002177” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.