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Recognised as Colour

#356FC4

  • #356FC4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#356FC4 is a blue with RGB values 53, 111, 196 and HSL 216°, 57%, 49%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#356FC4#356FC4
HEX#356FC4
RGBrgb(53, 111, 196)
RGB (0–1)0.2078, 0.4353, 0.7686
RGB percentages20.8%, 43.5%, 76.9%
HSLhsl(215.7, 57.4%, 48.8%)
HSV / HSBhsv(215.7, 73%, 76.9%)
CMYK73%, 43.4%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,502,020
CSS custom property--colour: #356FC4;

Brightness & contrast

Relative luminance0.16111WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.97:1
Contrast with white4.97:1WCAG normal text: AA
Contrast with black4.22:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#CA903B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4577C7no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#2B6AC2no green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#008390no blue cones; rare, and affects men and women equally; ΔE 49.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.97:1WCAG large text: AAA
Contrast with black, large text4.22:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 14.9Dodgerblue · ΔE 18.2Royal blue · ΔE 22.2Steel blue · ΔE 23.4Dark slateblue · ΔE 24Slate blue · ΔE 27
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.85, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C48A35
Analogous#35B6C4, #4335C4
Triadic#C4356F, #6FC435
Split complementary#C44335, #B6C435
Tetradic#C435B6, #C48A35, #35C443

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2DFF3
Lighter +30%#AAC3E8
Lighter +20%#82A7DD
Lighter +10%#5A8BD2
Darker −10%#2A589C
Darker −20%#1F4274
Darker −30%#142B4C
Darker −40%#0A1423
More saturated +25%#1669E3
Less saturated −25%#5475A5

Channel breakdown

R53
G111
B196
Red53 (20.8%)
Green111 (43.5%)
Blue196 (76.9%)
Hue215.66°
Saturation (HSL)57.43%
Lightness48.82%
Dominant channelBlue
Hex per channelR 35 · G 6F · B C4

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Every value on this page was computed from “356fc4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.