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Recognised as Colour

#657DC6

  • #657DC6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#657DC6 is a blue with RGB values 101, 125, 198 and HSL 225°, 46%, 59%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#657DC6#657DC6
HEX#657DC6
RGBrgb(101, 125, 198)
RGB (0–1)0.3961, 0.4902, 0.7765
RGB percentages39.6%, 49%, 77.6%
HSLhsl(225.2, 46%, 58.6%)
HSV / HSBhsv(225.2, 49%, 77.6%)
CMYK49%, 36.9%, 0%, 22.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,651,334
CSS custom property--colour: #657DC6;

Brightness & contrast

Relative luminance0.21511WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.3:1
Contrast with white3.96:1WCAG normal text: Fail
Contrast with black5.3:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#9A8239

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6184C9no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#577CC4no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#3D8C98no blue cones; rare, and affects men and women equally; ΔE 41.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.96:1WCAG large text: AA
Contrast with black, large text5.3:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.2Steel blue · ΔE 17.8Dodgerblue · ΔE 23.4Dark slateblue · ΔE 27Medium purple · ΔE 27Royal blue · ΔE 29.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C6AE65
Analogous#65AEC6, #7D65C6
Triadic#C6657D, #7DC665
Split complementary#C67E65, #AEC665
Tetradic#C665AE, #C6AE65, #65C67E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FAFBFD
Lighter +30%#D5DBEF
Lighter +20%#AFBCE2
Lighter +10%#8A9CD4
Darker −10%#435FB5
Darker −20%#354C90
Darker −30%#27386B
Darker −40%#1A2445
More saturated +25%#4B70E0
Less saturated −25%#7F8AAC

Channel breakdown

R101
G125
B198
Red101 (39.6%)
Green125 (49%)
Blue198 (77.6%)
Hue225.15°
Saturation (HSL)45.97%
Lightness58.63%
Dominant channelBlue
Hex per channelR 65 · G 7D · B C6

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Every value on this page was computed from “657dc6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.