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Colour

#4374FF

  • #4374FF
  • Blue
  • Dark
  • Nearest: Royal blue

#4374FF is a blue with RGB values 67, 116, 255 and HSL 224°, 100%, 63%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4374FF#4374FF
HEX#4374FF
RGBrgb(67, 116, 255)
RGB (0–1)0.2627, 0.4549, 1
RGB percentages26.3%, 45.5%, 100%
HSLhsl(224.4, 100%, 63.1%)
HSV / HSBhsv(224.4, 73.7%, 100%)
CMYK73.7%, 54.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,420,863
CSS custom property--colour: #4374FF;

Brightness & contrast

Relative luminance0.20904WCAG 2.x, 0 is black and 1 is white
Perceived brightness129 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.18:1
Contrast with white4.05:1WCAG normal text: Fail
Contrast with black5.18:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#BC8B00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0087FFno red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#0076FCno green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#0096AEno blue cones; rare, and affects men and women equally; ΔE 75.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.05:1WCAG large text: AA
Contrast with black, large text5.18:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.8Medium slateblue · ΔE 13.7Slate blue · ΔE 18.7Dodgerblue · ΔE 23.8Medium purple · ΔE 24.8Cornflower blue · ΔE 33.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCE43
Analogous#43D2FF, #7043FF
Triadic#FF4374, #74FF43
Split complementary#FF7043, #D2FF43
Tetradic#FF43D2, #FFCE43, #43FF70

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DCE5FF
Lighter +20%#A9BFFF
Lighter +10%#769AFF
Darker −10%#104EFF
Darker −20%#0039DC
Darker −30%#002CA9
Darker −40%#001F76
More saturated +25%#4374FF
Less saturated −25%#5A7FE8

Channel breakdown

R67
G116
B255
Red67 (26.3%)
Green116 (45.5%)
Blue255 (100%)
Hue224.36°
Saturation (HSL)100%
Lightness63.14%
Dominant channelBlue
Hex per channelR 43 · G 74 · B FF

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Every value on this page was computed from “4374ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.