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Recognised as Colour

#1F72C6

  • #1F72C6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#1F72C6 is a blue with RGB values 31, 114, 198 and HSL 210°, 73%, 45%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1F72C6#1F72C6
HEX#1F72C6
RGBrgb(31, 114, 198)
RGB (0–1)0.1216, 0.4471, 0.7765
RGB percentages12.2%, 44.7%, 77.6%
HSLhsl(210.2, 72.9%, 44.9%)
HSV / HSBhsv(210.2, 84.3%, 77.6%)
CMYK84.3%, 42.4%, 0%, 22.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,060,998
CSS custom property--colour: #1F72C6;

Brightness & contrast

Relative luminance0.16403WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.91:1
Contrast with white4.91:1WCAG normal text: AA
Contrast with black4.28:1WCAG normal text: Fail
Greyscale equivalent#666666
Inverted#E08D39

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4779C9no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#286AC4no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#008692no blue cones; rare, and affects men and women equally; ΔE 48.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.91:1WCAG large text: AAA
Contrast with black, large text4.28:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 14.7Dodgerblue · ΔE 17.8Steel blue · ΔE 21.8Royal blue · ΔE 24.5Dark slateblue · ΔE 26.8Slate blue · ΔE 30.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 14.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C6731F
Analogous#1FC6C6, #1F1FC6
Triadic#C61F72, #72C61F
Split complementary#C61F1F, #C6C61F
Tetradic#C61FC6, #C6731F, #1FC61F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCD8F5
Lighter +30%#90BFEE
Lighter +20%#64A5E7
Lighter +10%#388BE0
Darker −10%#18599A
Darker −20%#113F6E
Darker −30%#0A2642
Darker −40%#030C16
More saturated +25%#0272E3
Less saturated −25%#3C72A9

Channel breakdown

R31
G114
B198
Red31 (12.2%)
Green114 (44.7%)
Blue198 (77.6%)
Hue210.18°
Saturation (HSL)72.93%
Lightness44.9%
Dominant channelBlue
Hex per channelR 1F · G 72 · B C6

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Every value on this page was computed from “1f72c6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.