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Recognised as Colour

#677CCD

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

#677CCD is a blue with RGB values 103, 124, 205 and HSL 228°, 50%, 60%. 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

#677CCD#677CCD
HEX#677CCD
RGBrgb(103, 124, 205)
RGB (0–1)0.4039, 0.4863, 0.8039
RGB percentages40.4%, 48.6%, 80.4%
HSLhsl(227.6, 50.5%, 60.4%)
HSV / HSBhsv(227.6, 49.8%, 80.4%)
CMYK49.8%, 39.5%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,782,157
CSS custom property--colour: #677CCD;

Brightness & contrast

Relative luminance0.21707WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#988332

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C85D0no red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#527CCBno green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#3C8D9Bno blue cones; rare, and affects men and women equally; ΔE 45.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11Dodgerblue · ΔE 20.4Steel blue · ΔE 22.5Medium purple · ΔE 22.8Royal blue · ΔE 24.6Dark slateblue · ΔE 25.6
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.99, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CDB867
Analogous#67AFCD, #8567CD
Triadic#CD677C, #7CCD67
Split complementary#CD8567, #AFCD67
Tetradic#CD67AF, #CDB867, #67CD85

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DADFF3
Lighter +20%#B4BEE6
Lighter +10%#8D9DDA
Darker −10%#415BC0
Darker −20%#33489B
Darker −30%#263675
Darker −40%#1A254E
More saturated +25%#4E6DE6
Less saturated −25%#808BB4

Channel breakdown

R103
G124
B205
Red103 (40.4%)
Green124 (48.6%)
Blue205 (80.4%)
Hue227.65°
Saturation (HSL)50.5%
Lightness60.39%
Dominant channelBlue
Hex per channelR 67 · G 7C · B CD

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