Colour

#687DD5

#687DD5
Blue
Dark
Nearest: Cornflower blue

#687DD5 is a blue with RGB values 104, 125, 213 and HSL 228°, 56%, 62%. 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

#687DD5#687DD5

HEX#687DD5

RGBrgb(104, 125, 213)

RGB (0–1)0.4078, 0.4902, 0.8353

RGB percentages40.8%, 49%, 83.5%

HSLhsl(228.4, 56.5%, 62.2%)

HSV / HSBhsv(228.4, 51.2%, 83.5%)

CMYK51.2%, 41.3%, 0%, 16.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,847,957

CSS custom property--colour: #687DD5;

Brightness & contrast

Relative luminance0.22414WCAG 2.x, 0 is black and 1 is white

Perceived brightness132.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.48:1

Contrast with white3.83:1WCAG normal text: Fail

Contrast with black5.48:1WCAG normal text: AA

Greyscale equivalent#7F7F7F

Inverted#97822A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5987D8no red cones; affects about 1% of men; ΔE 8.6 from the original

Deuteranopia#4E7ED3no green cones; the most common form, about 1% of men; ΔE 6.7 from the original

Tritanopia#38909Fno blue cones; rare, and affects men and women equally; ΔE 49.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.83:1WCAG large text: AA

Contrast with black, large text5.48:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.7 Dodgerblue · ΔE 17.8 Medium purple · ΔE 20.1 Royal blue · ΔE 21 Slate blue · ΔE 23.5 Dark slateblue · ΔE 26

Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.71, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#D5C068

Analogous#68B4D5, #8968D5

Triadic#D5687D, #7DD568

Split complementary#D58A68, #B3D568

Tetradic#D568B4, #D5C068, #68D58A

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FFFFFF

Lighter +30%#E0E4F6

Lighter +20%#B8C2EB

Lighter +10%#909FE0

Darker −10%#405BCA

Darker −20%#2F46A8

Darker −30%#243680

Darker −40%#192558

More saturated +25%#506EED

Less saturated −25%#808CBD

Channel breakdown

R104

G125

B213

Red104 (40.8%)

Green125 (49%)

Blue213 (83.5%)

Hue228.44°

Saturation (HSL)56.48%

Lightness62.16%

Dominant channelBlue

Hex per channelR 68 · G 7D · B D5

Keep nerding

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#687DD5

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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