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Recognised as Colour

#677DE9

  • #677DE9
  • Blue
  • Dark
  • Nearest: Royal blue

#677DE9 is a blue with RGB values 103, 125, 233 and HSL 230°, 75%, 66%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#677DE9#677DE9
HEX#677DE9
RGBrgb(103, 125, 233)
RGB (0–1)0.4039, 0.4902, 0.9137
RGB percentages40.4%, 49%, 91.4%
HSLhsl(229.8, 74.7%, 65.9%)
HSV / HSBhsv(229.8, 55.8%, 91.4%)
CMYK55.8%, 46.4%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,782,441
CSS custom property--colour: #677DE9;

Brightness & contrast

Relative luminance0.23434WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.69:1
Contrast with white3.69:1WCAG normal text: Fail
Contrast with black5.69:1WCAG normal text: AA
Greyscale equivalent#808080
Inverted#988216

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B8BEDno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#3980E7no green cones; the most common form, about 1% of men; ΔE 10.1 from the original
Tritanopia#1895A8no blue cones; rare, and affects men and women equally; ΔE 61.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.69:1WCAG large text: AA
Contrast with black, large text5.69:1WCAG large text: AAA

Named colours

Royal blue · ΔE 11.6Dodgerblue · ΔE 14.9Medium purple · ΔE 15.6Slate blue · ΔE 16.6Cornflower blue · ΔE 17.1Medium slateblue · ΔE 20.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 11.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9D367
Analogous#67BEE9, #9267E9
Triadic#E9677D, #7DE967
Split complementary#E99267, #BEE967
Tetradic#E967BE, #E9D367, #67E992

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EDEFFC
Lighter +20%#C0C9F6
Lighter +10%#94A3EF
Darker −10%#3A57E3
Darker −20%#1E3BCC
Darker −30%#172EA0
Darker −40%#112173
More saturated +25%#516FFF
Less saturated −25%#7D8BD3

Channel breakdown

R103
G125
B233
Red103 (40.4%)
Green125 (49%)
Blue233 (91.4%)
Hue229.85°
Saturation (HSL)74.71%
Lightness65.88%
Dominant channelBlue
Hex per channelR 67 · G 7D · B E9

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Every value on this page was computed from “677de9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.