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Colour

#001177

  • #001177
  • Blue
  • Dark
  • Nearest: Midnight blue

#001177 is a blue with RGB values 0, 17, 119 and HSL 231°, 100%, 23%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#001177#001177
HEX#001177
HEX (short)#017
RGBrgb(0, 17, 119)
RGB (0–1)0, 0.0667, 0.4667
RGB percentages0%, 6.7%, 46.7%
HSLhsl(231.4, 100%, 23.3%)
HSV / HSBhsv(231.4, 100%, 46.7%)
CMYK100%, 85.7%, 0%, 53.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,471
CSS custom property--colour: #001177;

Brightness & contrast

Relative luminance0.01733WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.6:1
Contrast with white15.6:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#FFEE88

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002A7Ano red cones; affects about 1% of men; ΔE 18.4 from the original
Deuteranopia#001D75no green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#003245no blue cones; rare, and affects men and women equally; ΔE 60.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.6:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.7Navy · ΔE 12.6Indigo · ΔE 16.1Dark blue · ΔE 17.4Rebecca purple · ΔE 22.1Dark slateblue · ΔE 25.3
Nearest named CSS colourMidnight blue (#191970)ΔE 9.7, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#776600
Analogous#004C77, #2B0077
Triadic#770011, #117700
Split complementary#772B00, #4C7700
Tetradic#77004C, #776600, #00772B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#445FFF
Lighter +30%#1133FF
Lighter +20%#0020DD
Lighter +10%#0018AA
Darker −10%#000A44
Darker −20%#000211
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001177
Less saturated −25%#0F1C68

Channel breakdown

R0
G17
B119
Red0 (0%)
Green17 (6.7%)
Blue119 (46.7%)
Hue231.43°
Saturation (HSL)100%
Lightness23.33%
Dominant channelBlue
Hex per channelR 00 · G 11 · B 77

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Every value on this page was computed from “hex 001177” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.