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Colour

#4870D7

  • #4870D7
  • Blue
  • Dark
  • Nearest: Royal blue

#4870D7 is a blue with RGB values 72, 112, 215 and HSL 223°, 64%, 56%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4870D7#4870D7
HEX#4870D7
RGBrgb(72, 112, 215)
RGB (0–1)0.2824, 0.4392, 0.8431
RGB percentages28.2%, 43.9%, 84.3%
HSLhsl(223.2, 64.1%, 56.3%)
HSV / HSBhsv(223.2, 66.5%, 84.3%)
CMYK66.5%, 47.9%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,747,479
CSS custom property--colour: #4870D7;

Brightness & contrast

Relative luminance0.17872WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.59:1
Contrast with white4.59:1WCAG normal text: AA
Contrast with black4.57:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#B78F28

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#397CDBno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#176FD5no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#008899no blue cones; rare, and affects men and women equally; ΔE 58.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.59:1WCAG large text: AAA
Contrast with black, large text4.57:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.8Dodgerblue · ΔE 15.1Slate blue · ΔE 17.2Cornflower blue · ΔE 17.9Medium purple · ΔE 19.7Medium slateblue · ΔE 23.4
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#D7AF48
Analogous#48B7D7, #6848D7
Triadic#D74870, #70D748
Split complementary#D76848, #B7D748
Tetradic#D748B7, #D7AF48, #48D768

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF3FC
Lighter +30%#C6D2F2
Lighter +20%#9CB1E9
Lighter +10%#7291E0
Darker −10%#2A55C2
Darker −20%#214298
Darker −30%#18306E
Darker −40%#0F1E44
More saturated +25%#2C64F3
Less saturated −25%#647CBB

Channel breakdown

R72
G112
B215
Red72 (28.2%)
Green112 (43.9%)
Blue215 (84.3%)
Hue223.22°
Saturation (HSL)64.13%
Lightness56.27%
Dominant channelBlue
Hex per channelR 48 · G 70 · B D7

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Every value on this page was computed from “4870d7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.