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Recognised as Colour

#376BD4

  • #376BD4
  • Blue
  • Dark
  • Nearest: Royal blue

#376BD4 is a blue with RGB values 55, 107, 212 and HSL 220°, 65%, 52%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#376BD4#376BD4
HEX#376BD4
RGBrgb(55, 107, 212)
RGB (0–1)0.2157, 0.4196, 0.8314
RGB percentages21.6%, 42%, 83.1%
HSLhsl(220.1, 64.6%, 52.4%)
HSV / HSBhsv(220.1, 74.1%, 83.1%)
CMYK74.1%, 49.5%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,632,084
CSS custom property--colour: #376BD4;

Brightness & contrast

Relative luminance0.16081WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.98:1
Contrast with white4.98:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#C8942B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C77D8no red cones; affects about 1% of men; ΔE 8.5 from the original
Deuteranopia#0069D2no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#008495no blue cones; rare, and affects men and women equally; ΔE 59.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.98:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.6Dodgerblue · ΔE 15.8Slate blue · ΔE 17.2Cornflower blue · ΔE 20.3Medium purple · ΔE 21.5Medium slateblue · ΔE 23.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4A037
Analogous#37BAD4, #5237D4
Triadic#D4376B, #6BD437
Split complementary#D45237, #BAD437
Tetradic#D437BA, #D4A037, #37D452

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFE7F8
Lighter +30%#B5C8EF
Lighter +20%#8BA9E6
Lighter +10%#618ADD
Darker −10%#2654B2
Darker −20%#1D4188
Darker −30%#142D5E
Darker −40%#0B1934
More saturated +25%#1961F2
Less saturated −25%#5575B6

Channel breakdown

R55
G107
B212
Red55 (21.6%)
Green107 (42%)
Blue212 (83.1%)
Hue220.13°
Saturation (HSL)64.61%
Lightness52.35%
Dominant channelBlue
Hex per channelR 37 · G 6B · B D4

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Every value on this page was computed from “376bd4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.