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Recognised as Colour

#363A55

  • #363A55
  • Blue
  • Dark
  • Nearest: Dark slate grey

#363A55 is a blue with RGB values 54, 58, 85 and HSL 232°, 22%, 27%. It is a dark colour, so white text on it reaches 11.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#363A55#363A55
HEX#363A55
RGBrgb(54, 58, 85)
RGB (0–1)0.2118, 0.2275, 0.3333
RGB percentages21.2%, 22.7%, 33.3%
HSLhsl(232.3, 22.3%, 27.3%)
HSV / HSBhsv(232.3, 36.5%, 33.3%)
CMYK36.5%, 31.8%, 0%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,553,877
CSS custom property--colour: #363A55;

Brightness & contrast

Relative luminance0.04466WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.09:1
Contrast with white11.09:1WCAG normal text: AAA
Contrast with black1.89:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#C9C5AA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#323D56no red cones; affects about 1% of men; ΔE 3.1 from the original
Deuteranopia#303B54no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#2E3F44no blue cones; rare, and affects men and women equally; ΔE 16.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.09:1WCAG large text: AAA
Contrast with black, large text1.89:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 22.7Dim grey · ΔE 26.2Slate grey · ΔE 29.5Black · ΔE 30.8Light slate grey · ΔE 32.3Steel blue · ΔE 32.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 22.7, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#555136
Analogous#364A55, #423655
Triadic#55363A, #3A5536
Split complementary#554236, #4A5536
Tetradic#55364A, #555136, #365541

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#999EBE
Lighter +30%#7A80AA
Lighter +20%#5E6593
Lighter +10%#4A4F74
Darker −10%#222536
Darker −20%#0E0F17
Darker −30%#000000
Darker −40%#000000
More saturated +25%#252D66
Less saturated −25%#464646

Channel breakdown

R54
G58
B85
Red54 (21.2%)
Green58 (22.7%)
Blue85 (33.3%)
Hue232.26°
Saturation (HSL)22.3%
Lightness27.25%
Dominant channelBlue
Hex per channelR 36 · G 3A · B 55

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Every value on this page was computed from “363a55” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.