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Recognised as Colour

#356DBE

  • #356DBE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#356DBE is a blue with RGB values 53, 109, 190 and HSL 215°, 56%, 48%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#356DBE#356DBE
HEX#356DBE
RGBrgb(53, 109, 190)
RGB (0–1)0.2078, 0.4275, 0.7451
RGB percentages20.8%, 42.7%, 74.5%
HSLhsl(215.5, 56.4%, 47.6%)
HSV / HSBhsv(215.5, 72.1%, 74.5%)
CMYK72.1%, 42.6%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,501,502
CSS custom property--colour: #356DBE;

Brightness & contrast

Relative luminance0.15412WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.14:1
Contrast with white5.14:1WCAG normal text: AA
Contrast with black4.08:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#CA9241

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4674C1no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#2E68BCno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00808Cno blue cones; rare, and affects men and women equally; ΔE 47.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.14:1WCAG large text: AAA
Contrast with black, large text4.08:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 15.8Dodgerblue · ΔE 20.3Steel blue · ΔE 21.6Dark slateblue · ΔE 23.5Royal blue · ΔE 24.3Slate blue · ΔE 28.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 15.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE8635
Analogous#35B2BE, #4135BE
Triadic#BE356D, #6DBE35
Split complementary#BE4235, #B2BE35
Tetradic#BE35B2, #BE8635, #35BE42

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEDCF1
Lighter +30%#A6C0E6
Lighter +20%#7EA4DB
Lighter +10%#5688D0
Darker −10%#2A5696
Darker −20%#1F3F6E
Darker −30%#142846
Darker −40%#09111E
More saturated +25%#1767DC
Less saturated −25%#5373A0

Channel breakdown

R53
G109
B190
Red53 (20.8%)
Green109 (42.7%)
Blue190 (74.5%)
Hue215.47°
Saturation (HSL)56.38%
Lightness47.65%
Dominant channelBlue
Hex per channelR 35 · G 6D · B BE

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Every value on this page was computed from “356dbe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.