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Colour

#3872CB

  • #3872CB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3872CB is a blue with RGB values 56, 114, 203 and HSL 216°, 59%, 51%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3872CB#3872CB
HEX#3872CB
RGBrgb(56, 114, 203)
RGB (0–1)0.2196, 0.4471, 0.7961
RGB percentages22%, 44.7%, 79.6%
HSLhsl(216.3, 58.6%, 50.8%)
HSV / HSBhsv(216.3, 72.4%, 79.6%)
CMYK72.4%, 43.8%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,699,403
CSS custom property--colour: #3872CB;

Brightness & contrast

Relative luminance0.17187WCAG 2.x, 0 is black and 1 is white
Perceived brightness115.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.73:1
Contrast with white4.73:1WCAG normal text: AA
Contrast with black4.44:1WCAG normal text: Fail
Greyscale equivalent#6C6C6C
Inverted#C78D34

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#467ACEno red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#2A6DC9no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#008794no blue cones; rare, and affects men and women equally; ΔE 51.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.73:1WCAG large text: AAA
Contrast with black, large text4.44:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 13.8Dodgerblue · ΔE 16Royal blue · ΔE 20.1Dark slateblue · ΔE 24.9Steel blue · ΔE 25.2Slate blue · ΔE 25.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CB9138
Analogous#38BBCB, #4838CB
Triadic#CB3872, #72CB38
Split complementary#CB4838, #BBCB38
Tetradic#CB38BB, #CB9138, #38CB48

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE5F5
Lighter +30%#B1C8EB
Lighter +20%#89ABE0
Lighter +10%#608FD6
Darker −10%#2B5BA5
Darker −20%#21457C
Darker −30%#162E54
Darker −40%#0B182C
More saturated +25%#196BEA
Less saturated −25%#5779AC

Channel breakdown

R56
G114
B203
Red56 (22%)
Green114 (44.7%)
Blue203 (79.6%)
Hue216.33°
Saturation (HSL)58.57%
Lightness50.78%
Dominant channelBlue
Hex per channelR 38 · G 72 · B CB

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Every value on this page was computed from “3872cb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.