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Recognised as Colour

#1C71FA

  • #1C71FA
  • Blue
  • Dark
  • Nearest: Royal blue

#1C71FA is a blue with RGB values 28, 113, 250 and HSL 217°, 96%, 55%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1C71FA#1C71FA
HEX#1C71FA
RGBrgb(28, 113, 250)
RGB (0–1)0.1098, 0.4431, 0.9804
RGB percentages11%, 44.3%, 98%
HSLhsl(217, 95.7%, 54.5%)
HSV / HSBhsv(217, 88.8%, 98%)
CMYK88.8%, 54.8%, 0%, 2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,864,186
CSS custom property--colour: #1C71FA;

Brightness & contrast

Relative luminance0.18959WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.79:1
Contrast with white4.38:1WCAG normal text: Fail
Contrast with black4.79:1WCAG normal text: AA
Greyscale equivalent#696969
Inverted#E38E05

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0083FFno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#006FF7no green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#0093ABno blue cones; rare, and affects men and women equally; ΔE 73.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.38:1WCAG large text: AA
Contrast with black, large text4.79:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.9Medium slateblue · ΔE 16.8Slate blue · ΔE 19.9Dodgerblue · ΔE 22.4Medium purple · ΔE 26.8Cornflower blue · ΔE 33.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.94, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FAA51C
Analogous#1CE0FA, #361CFA
Triadic#FA1C71, #71FA1C
Split complementary#FA361C, #E0FA1C
Tetradic#FA1CE0, #FAA51C, #1CFA36

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E4EEFE
Lighter +30%#B2CFFD
Lighter +20%#80AFFC
Lighter +10%#4E90FB
Darker −10%#0558DE
Darker −20%#0444AC
Darker −30%#03307A
Darker −40%#021D48
More saturated +25%#1770FF
Less saturated −25%#3978DD

Channel breakdown

R28
G113
B250
Red28 (11%)
Green113 (44.3%)
Blue250 (98%)
Hue217.03°
Saturation (HSL)95.69%
Lightness54.51%
Dominant channelBlue
Hex per channelR 1C · G 71 · B FA

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Every value on this page was computed from “1c71fa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.