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Recognised as Colour

#677CD8

  • #677CD8
  • Blue
  • Dark
  • Nearest: Cornflower blue

#677CD8 is a blue with RGB values 103, 124, 216 and HSL 229°, 59%, 63%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#677CD8#677CD8
HEX#677CD8
RGBrgb(103, 124, 216)
RGB (0–1)0.4039, 0.4863, 0.8471
RGB percentages40.4%, 48.6%, 84.7%
HSLhsl(228.8, 59.2%, 62.5%)
HSV / HSBhsv(228.8, 52.3%, 84.7%)
CMYK52.3%, 42.6%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,782,168
CSS custom property--colour: #677CD8;

Brightness & contrast

Relative luminance0.22257WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.45:1
Contrast with white3.85:1WCAG normal text: Fail
Contrast with black5.45:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#988327

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5687DCno red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#497DD6no green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#32909Fno blue cones; rare, and affects men and women equally; ΔE 52.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.85:1WCAG large text: AA
Contrast with black, large text5.45:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.7Dodgerblue · ΔE 16.8Medium purple · ΔE 18.6Royal blue · ΔE 18.7Slate blue · ΔE 21.6Dark slateblue · ΔE 25.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8C367
Analogous#67B5D8, #8A67D8
Triadic#D8677C, #7CD867
Split complementary#D88A67, #B5D867
Tetradic#D867B5, #D8C367, #67D88A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E1E5F7
Lighter +20%#B8C2ED
Lighter +10%#909FE2
Darker −10%#3E59CE
Darker −20%#2C44AD
Darker −30%#223484
Darker −40%#17245C
More saturated +25%#4F6DF0
Less saturated −25%#7F8BC0

Channel breakdown

R103
G124
B216
Red103 (40.4%)
Green124 (48.6%)
Blue216 (84.7%)
Hue228.85°
Saturation (HSL)59.16%
Lightness62.55%
Dominant channelBlue
Hex per channelR 67 · G 7C · B D8

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Every value on this page was computed from “677cd8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.