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Recognised as Colour

#1F4BC2

  • #1F4BC2
  • Blue
  • Dark
  • Nearest: Royal blue

#1F4BC2 is a blue with RGB values 31, 75, 194 and HSL 224°, 72%, 44%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#1F4BC2#1F4BC2
HEX#1F4BC2
RGBrgb(31, 75, 194)
RGB (0–1)0.1216, 0.2941, 0.7608
RGB percentages12.2%, 29.4%, 76.1%
HSLhsl(223.8, 72.4%, 44.1%)
HSV / HSBhsv(223.8, 84%, 76.1%)
CMYK84%, 61.3%, 0%, 23.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,051,010
CSS custom property--colour: #1F4BC2;

Brightness & contrast

Relative luminance0.09219WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.38:1
Contrast with white7.38:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#E0B43D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DC6no red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#004EC0no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#006A7Fno blue cones; rare, and affects men and women equally; ΔE 67.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.38:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Royal blue · ΔE 12.2Slate blue · ΔE 13.4Medium slateblue · ΔE 19Rebecca purple · ΔE 22.9Dark slateblue · ΔE 25.1Medium purple · ΔE 25.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C2961F
Analogous#1F9CC2, #451FC2
Triadic#C21F4B, #4BC21F
Split complementary#C2451F, #9CC21F
Tetradic#C21F9C, #C2961F, #1FC245

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9C9F4
Lighter +30%#8DA7ED
Lighter +20%#6185E6
Lighter +10%#3563DF
Darker −10%#183A96
Darker −20%#11296A
Darker −30%#0A183E
Darker −40%#030712
More saturated +25%#033EDE
Less saturated −25%#3B58A6

Channel breakdown

R31
G75
B194
Red31 (12.2%)
Green75 (29.4%)
Blue194 (76.1%)
Hue223.8°
Saturation (HSL)72.44%
Lightness44.12%
Dominant channelBlue
Hex per channelR 1F · G 4B · B C2

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Every value on this page was computed from “1f4bc2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.