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Recognised as Colour

#4681FD

  • #4681FD
  • Blue
  • Dark
  • Nearest: Royal blue

#4681FD is a blue with RGB values 70, 129, 253 and HSL 221°, 98%, 63%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4681FD#4681FD
HEX#4681FD
RGBrgb(70, 129, 253)
RGB (0–1)0.2745, 0.5059, 0.9922
RGB percentages27.5%, 50.6%, 99.2%
HSLhsl(220.7, 97.9%, 63.3%)
HSV / HSBhsv(220.7, 72.3%, 99.2%)
CMYK72.3%, 49%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,620,797
CSS custom property--colour: #4681FD;

Brightness & contrast

Relative luminance0.24094WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.82:1
Contrast with white3.61:1WCAG normal text: Fail
Contrast with black5.82:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#B97E02

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3890FFno red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#007FFBno green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#009FB3no blue cones; rare, and affects men and women equally; ΔE 68.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.61:1WCAG large text: AA
Contrast with black, large text5.82:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.6Dodgerblue · ΔE 13.1Medium slateblue · ΔE 19.6Slate blue · ΔE 20.2Cornflower blue · ΔE 22.8Medium purple · ΔE 22.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FDC246
Analogous#46DDFD, #6646FD
Triadic#FD4681, #81FD46
Split complementary#FD6646, #DDFD46
Tetradic#FD46DD, #FDC246, #46FD66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDE8FF
Lighter +20%#ABC6FE
Lighter +10%#78A3FE
Darker −10%#145FFC
Darker −20%#0248DB
Darker −30%#0237A8
Darker −40%#012776
More saturated +25%#4480FF
Less saturated −25%#5D89E6

Channel breakdown

R70
G129
B253
Red70 (27.5%)
Green129 (50.6%)
Blue253 (99.2%)
Hue220.66°
Saturation (HSL)97.86%
Lightness63.33%
Dominant channelBlue
Hex per channelR 46 · G 81 · B FD

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Every value on this page was computed from “4681fd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.