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Recognised as Colour

#649DD6

  • #649DD6
  • Blue
  • Dark
  • Nearest: Steel blue

#649DD6 is a blue with RGB values 100, 157, 214 and HSL 210°, 58%, 62%. It is a dark colour, so black text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#649DD6#649DD6
HEX#649DD6
RGBrgb(100, 157, 214)
RGB (0–1)0.3922, 0.6157, 0.8392
RGB percentages39.2%, 61.6%, 83.9%
HSLhsl(210, 58.2%, 61.6%)
HSV / HSBhsv(210, 53.3%, 83.9%)
CMYK53.3%, 26.6%, 0%, 16.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,594,006
CSS custom property--colour: #649DD6;

Brightness & contrast

Relative luminance0.31678WCAG 2.x, 0 is black and 1 is white
Perceived brightness150.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.34:1
Contrast with white2.86:1WCAG normal text: Fail
Contrast with black7.34:1WCAG normal text: AAA
Greyscale equivalent#959595
Inverted#9B6229

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#869FD9no red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#7794D5no green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#1FAAB1no blue cones; rare, and affects men and women equally; ΔE 36.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.86:1WCAG large text: Fail
Contrast with black, large text7.34:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11Cornflower blue · ΔE 18.8Deep skyblue · ΔE 19.5Light skyblue · ΔE 19.6Sky blue · ΔE 24.4Light slate grey · ΔE 24.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D69D64
Analogous#64D6D6, #6464D6
Triadic#D6649D, #9DD664
Split complementary#D66464, #D6D664
Tetradic#D664D6, #D69D64, #64D664

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDEAF6
Lighter +20%#B5D0EB
Lighter +10%#8CB6E1
Darker −10%#3C84CB
Darker −20%#2C6AA8
Darker −30%#22517F
Darker −40%#173757
More saturated +25%#4C9DEF
Less saturated −25%#7D9DBE

Channel breakdown

R100
G157
B214
Red100 (39.2%)
Green157 (61.6%)
Blue214 (83.9%)
Hue210°
Saturation (HSL)58.16%
Lightness61.57%
Dominant channelBlue
Hex per channelR 64 · G 9D · B D6

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Every value on this page was computed from “649dd6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.