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Recognised as Colour

#387FC1

  • #387FC1
  • Blue
  • Dark
  • Nearest: Steel blue

#387FC1 is a blue with RGB values 56, 127, 193 and HSL 209°, 55%, 49%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#387FC1#387FC1
HEX#387FC1
RGBrgb(56, 127, 193)
RGB (0–1)0.2196, 0.498, 0.7569
RGB percentages22%, 49.8%, 75.7%
HSLhsl(208.9, 55%, 48.8%)
HSV / HSBhsv(208.9, 71%, 75.7%)
CMYK71%, 34.2%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,702,721
CSS custom property--colour: #387FC1;

Brightness & contrast

Relative luminance0.1987WCAG 2.x, 0 is black and 1 is white
Perceived brightness121 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.97:1
Contrast with white4.22:1WCAG normal text: Fail
Contrast with black4.97:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#C7803E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6182C4no red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#4E75C0no green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#008F97no blue cones; rare, and affects men and women equally; ΔE 39.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.22:1WCAG large text: AA
Contrast with black, large text4.97:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9.6Cornflower blue · ΔE 16.3Dodgerblue · ΔE 25.8Deep skyblue · ΔE 27.2Light slate grey · ΔE 30.2Slate grey · ΔE 30.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 9.56, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C17A38
Analogous#38C1BE, #383BC1
Triadic#C1387F, #7FC138
Split complementary#C1383B, #C1BE38
Tetradic#BE38C1, #C17A38, #3BC138

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3E3F2
Lighter +30%#ABCAE7
Lighter +20%#84B1DB
Lighter +10%#5C98D0
Darker −10%#2D6599
Darker −20%#214B72
Darker −30%#16314A
Darker −40%#0A1723
More saturated +25%#1980E0
Less saturated −25%#577EA2

Channel breakdown

R56
G127
B193
Red56 (22%)
Green127 (49.8%)
Blue193 (75.7%)
Hue208.91°
Saturation (HSL)55.02%
Lightness48.82%
Dominant channelBlue
Hex per channelR 38 · G 7F · B C1

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Every value on this page was computed from “387fc1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.