Nerdulator> put something in

Recognised as Colour

#648BD2

  • #648BD2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#648BD2 is a blue with RGB values 100, 139, 210 and HSL 219°, 55%, 61%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#648BD2#648BD2
HEX#648BD2
RGBrgb(100, 139, 210)
RGB (0–1)0.3922, 0.5451, 0.8235
RGB percentages39.2%, 54.5%, 82.4%
HSLhsl(218.7, 55%, 60.8%)
HSV / HSBhsv(218.7, 52.4%, 82.4%)
CMYK52.4%, 33.8%, 0%, 17.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,589,394
CSS custom property--colour: #648BD2;

Brightness & contrast

Relative luminance0.25828WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.17:1
Contrast with white3.41:1WCAG normal text: Fail
Contrast with black6.17:1WCAG normal text: AA
Greyscale equivalent#888888
Inverted#9B742D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F91D5no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#6286D0no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#2C9AA5no blue cones; rare, and affects men and women equally; ΔE 42 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.41:1WCAG large text: AA
Contrast with black, large text6.17:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.9Steel blue · ΔE 14.7Dodgerblue · ΔE 23Deep skyblue · ΔE 28.5Light skyblue · ΔE 30.5Light slate grey · ΔE 30.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.91, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D2AB64
Analogous#64C2D2, #7464D2
Triadic#D2648B, #8BD264
Split complementary#D27464, #C2D264
Tetradic#D264C2, #D2AB64, #64D274

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DBE4F4
Lighter +20%#B3C6E9
Lighter +10%#8CA9DD
Darker −10%#3C6DC7
Darker −20%#2F57A1
Darker −30%#23427A
Darker −40%#182D52
More saturated +25%#4B84EB
Less saturated −25%#7D92B9

Channel breakdown

R100
G139
B210
Red100 (39.2%)
Green139 (54.5%)
Blue210 (82.4%)
Hue218.73°
Saturation (HSL)55%
Lightness60.78%
Dominant channelBlue
Hex per channelR 64 · G 8B · B D2

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “648bd2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.