Nerdulator> put something in

Recognised as Colour

#687BDC

  • #687BDC
  • Blue
  • Dark
  • Nearest: Cornflower blue

#687BDC is a blue with RGB values 104, 123, 220 and HSL 230°, 62%, 64%. 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

#687BDC#687BDC
HEX#687BDC
RGBrgb(104, 123, 220)
RGB (0–1)0.4078, 0.4824, 0.8627
RGB percentages40.8%, 48.2%, 86.3%
HSLhsl(230.2, 62.4%, 63.5%)
HSV / HSBhsv(230.2, 52.7%, 86.3%)
CMYK52.7%, 44.1%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,847,452
CSS custom property--colour: #687BDC;

Brightness & contrast

Relative luminance0.22276WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.46:1
Contrast with white3.85:1WCAG normal text: Fail
Contrast with black5.46:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#978423

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5187E0no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#447DDAno green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#3190A1no blue cones; rare, and affects men and women equally; ΔE 54.6 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 text5.46:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.6Royal blue · ΔE 16Dodgerblue · ΔE 16.2Medium purple · ΔE 16.7Slate blue · ΔE 19.1Medium slateblue · ΔE 24.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCC968
Analogous#68B5DC, #8F68DC
Triadic#DC687B, #7BDC68
Split complementary#DC8F68, #B5DC68
Tetradic#DC68B5, #DCC968, #68DC8F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4E8F9
Lighter +20%#BBC3EF
Lighter +10%#919FE6
Darker −10%#3F57D2
Darker −20%#2A40B4
Darker −30%#20328B
Darker −40%#172361
More saturated +25%#516BF3
Less saturated −25%#7F8BC5

Channel breakdown

R104
G123
B220
Red104 (40.8%)
Green123 (48.2%)
Blue220 (86.3%)
Hue230.17°
Saturation (HSL)62.37%
Lightness63.53%
Dominant channelBlue
Hex per channelR 68 · G 7B · B DC

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “687bdc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.