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Recognised as Colour

#00379F

  • #00379F
  • Blue
  • Dark
  • Nearest: Midnight blue

#00379F is a blue with RGB values 0, 55, 159 and HSL 219°, 100%, 31%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#00379F#00379F
HEX#00379F
RGBrgb(0, 55, 159)
RGB (0–1)0, 0.2157, 0.6235
RGB percentages0%, 21.6%, 62.4%
HSLhsl(219.2, 100%, 31.2%)
HSV / HSBhsv(219.2, 100%, 62.4%)
CMYK100%, 65.4%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer14,239
CSS custom property--colour: #00379F;

Brightness & contrast

Relative luminance0.05236WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.26:1
Contrast with white10.26:1WCAG normal text: AAA
Contrast with black2.05:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#FFC860

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0048A2no red cones; affects about 1% of men; ΔE 13.2 from the original
Deuteranopia#003A9Dno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#005366no blue cones; rare, and affects men and women equally; ΔE 60.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.26:1WCAG large text: AAA
Contrast with black, large text2.05:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 15.9Dark slateblue · ΔE 18.5Slate blue · ΔE 19.6Rebecca purple · ΔE 20.1Royal blue · ΔE 21.2Navy · ΔE 24.2
Nearest named CSS colourMidnight blue (#191970)ΔE 15.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F6800
Analogous#00879F, #18009F
Triadic#9F0037, #379F00
Split complementary#9F1800, #879F00
Tetradic#9F0087, #9F6800, #009F18

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C9FFF
Lighter +30%#397DFF
Lighter +20%#065CFF
Lighter +10%#0049D2
Darker −10%#00256C
Darker −20%#001439
Darker −30%#000206
Darker −40%#000000
More saturated +25%#00379F
Less saturated −25%#143D8B

Channel breakdown

R0
G55
B159
Red0 (0%)
Green55 (21.6%)
Blue159 (62.4%)
Hue219.25°
Saturation (HSL)100%
Lightness31.18%
Dominant channelBlue
Hex per channelR 00 · G 37 · B 9F

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Every value on this page was computed from “00379f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.