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Recognised as Colour

#4687DD

  • #4687DD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4687DD is a blue with RGB values 70, 135, 221 and HSL 214°, 69%, 57%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4687DD#4687DD
HEX#4687DD
RGBrgb(70, 135, 221)
RGB (0–1)0.2745, 0.5294, 0.8667
RGB percentages27.5%, 52.9%, 86.7%
HSLhsl(214.2, 68.9%, 57.1%)
HSV / HSBhsv(214.2, 68.3%, 86.7%)
CMYK68.3%, 38.9%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,622,301
CSS custom property--colour: #4687DD;

Brightness & contrast

Relative luminance0.2385WCAG 2.x, 0 is black and 1 is white
Perceived brightness133.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.77:1
Contrast with white3.64:1WCAG normal text: Fail
Contrast with black5.77:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#B97822

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#608EE0no red cones; affects about 1% of men; ΔE 5 from the original
Deuteranopia#4980DBno green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#009BA7no blue cones; rare, and affects men and women equally; ΔE 49.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.64:1WCAG large text: AA
Contrast with black, large text5.77:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.5Dodgerblue · ΔE 14.1Steel blue · ΔE 21.2Royal blue · ΔE 25.9Medium purple · ΔE 29.8Deep skyblue · ΔE 30.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.47, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DD9C46
Analogous#46D3DD, #5046DD
Triadic#DD4687, #87DD46
Split complementary#DD5046, #D3DD46
Tetradic#DD46D3, #DD9C46, #46DD50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F2F7FD
Lighter +30%#C7DBF5
Lighter +20%#9CBFED
Lighter +10%#71A3E5
Darker −10%#256CCB
Darker −20%#1D55A0
Darker −30%#153E75
Darker −40%#0E2749
More saturated +25%#2B83F8
Less saturated −25%#618BC2

Channel breakdown

R70
G135
B221
Red70 (27.5%)
Green135 (52.9%)
Blue221 (86.7%)
Hue214.17°
Saturation (HSL)68.95%
Lightness57.06%
Dominant channelBlue
Hex per channelR 46 · G 87 · B DD

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Every value on this page was computed from “4687dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.