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Colour

#1671FF

  • #1671FF
  • Blue
  • Dark
  • Nearest: Royal blue

#1671FF is a blue with RGB values 22, 113, 255 and HSL 217°, 100%, 54%. 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

#1671FF#1671FF
HEX#1671FF
RGBrgb(22, 113, 255)
RGB (0–1)0.0863, 0.4431, 1
RGB percentages8.6%, 44.3%, 100%
HSLhsl(216.6, 100%, 54.3%)
HSV / HSBhsv(216.6, 91.4%, 100%)
CMYK91.4%, 55.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,470,975
CSS custom property--colour: #1671FF;

Brightness & contrast

Relative luminance0.19201WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.84:1
Contrast with white4.34:1WCAG normal text: Fail
Contrast with black4.84:1WCAG normal text: AA
Greyscale equivalent#686868
Inverted#E98E00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0084FFno red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#0070FCno green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#0095ADno blue cones; rare, and affects men and women equally; ΔE 76.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.34:1WCAG large text: AA
Contrast with black, large text4.84:1WCAG large text: AAA

Named colours

Royal blue · ΔE 12.5Medium slateblue · ΔE 17Slate blue · ΔE 21.4Dodgerblue · ΔE 24.8Medium purple · ΔE 28.4Cornflower blue · ΔE 35.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.47, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFA416
Analogous#16E5FF, #3016FF
Triadic#FF1671, #71FF16
Split complementary#FF3016, #E5FF16
Tetradic#FF16E5, #FFA416, #16FF30

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2EDFF
Lighter +30%#AFCEFF
Lighter +20%#7CAFFF
Lighter +10%#4990FF
Darker −10%#0058E2
Darker −20%#0044AF
Darker −30%#00307C
Darker −40%#001D49
More saturated +25%#1671FF
Less saturated −25%#3377E2

Channel breakdown

R22
G113
B255
Red22 (8.6%)
Green113 (44.3%)
Blue255 (100%)
Hue216.57°
Saturation (HSL)100%
Lightness54.31%
Dominant channelBlue
Hex per channelR 16 · G 71 · B FF

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Every value on this page was computed from “1671ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.