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Recognised as Colour

#6489D4

  • #6489D4
  • Blue
  • Dark
  • Nearest: Cornflower blue

#6489D4 is a blue with RGB values 100, 137, 212 and HSL 220°, 57%, 61%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#6489D4#6489D4
HEX#6489D4
RGBrgb(100, 137, 212)
RGB (0–1)0.3922, 0.5373, 0.8314
RGB percentages39.2%, 53.7%, 83.1%
HSLhsl(220.2, 56.6%, 61.2%)
HSV / HSBhsv(220.2, 52.8%, 83.1%)
CMYK52.8%, 35.4%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,588,884
CSS custom property--colour: #6489D4;

Brightness & contrast

Relative luminance0.25354WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.07:1
Contrast with white3.46:1WCAG normal text: Fail
Contrast with black6.07:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#9B762B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B8FD7no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#5E85D2no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#2A99A4no blue cones; rare, and affects men and women equally; ΔE 44.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.46:1WCAG large text: AA
Contrast with black, large text6.07:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 8.2Steel blue · ΔE 17Dodgerblue · ΔE 21Medium purple · ΔE 29.4Deep skyblue · ΔE 30.2Royal blue · ΔE 30.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 8.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4AF64
Analogous#64C1D4, #7764D4
Triadic#D46489, #89D464
Split complementary#D47764, #C1D464
Tetradic#D464C1, #D4AF64, #64D477

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DCE4F5
Lighter +20%#B4C6EA
Lighter +10%#8CA7DF
Darker −10%#3C6BC9
Darker −20%#2E55A4
Darker −30%#23407C
Darker −40%#172C55
More saturated +25%#4B81ED
Less saturated −25%#7D91BB

Channel breakdown

R100
G137
B212
Red100 (39.2%)
Green137 (53.7%)
Blue212 (83.1%)
Hue220.18°
Saturation (HSL)56.57%
Lightness61.18%
Dominant channelBlue
Hex per channelR 64 · G 89 · B D4

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Every value on this page was computed from “6489d4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.