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Recognised as Colour

#687FA2

  • #687FA2
  • Blue
  • Dark
  • Nearest: Light slate grey

#687FA2 is a blue with RGB values 104, 127, 162 and HSL 216°, 24%, 52%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#687FA2#687FA2
HEX#687FA2
RGBrgb(104, 127, 162)
RGB (0–1)0.4078, 0.498, 0.6353
RGB percentages40.8%, 49.8%, 63.5%
HSLhsl(216.2, 23.8%, 52.2%)
HSV / HSBhsv(216.2, 35.8%, 63.5%)
CMYK35.8%, 21.6%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,848,418
CSS custom property--colour: #687FA2;

Brightness & contrast

Relative luminance0.2073WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.15:1
Contrast with white4.08:1WCAG normal text: Fail
Contrast with black5.15:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#97805D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7381A4no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#6C7BA1no green cones; the most common form, about 1% of men; ΔE 3.5 from the original
Tritanopia#56868Bno blue cones; rare, and affects men and women equally; ΔE 20.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.08:1WCAG large text: AA
Contrast with black, large text5.15:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 11.1Slate grey · ΔE 11.1Steel blue · ΔE 11.8Gray · ΔE 21.4Dim grey · ΔE 22.9Cadetblue · ΔE 26
Nearest named CSS colourLight slate grey (#778899)ΔE 11.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A28B68
Analogous#689CA2, #6E68A2
Triadic#A2687F, #7FA268
Split complementary#A26E68, #9CA268
Tetradic#A2689C, #A28B68, #68A26E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6EAF0
Lighter +30%#C7CFDC
Lighter +20%#A7B5C9
Lighter +10%#889AB5
Darker −10%#526685
Darker −20%#3F4E65
Darker −30%#2B3646
Darker −40%#181D26
More saturated +25%#4979C1
Less saturated −25%#858585

Channel breakdown

R104
G127
B162
Red104 (40.8%)
Green127 (49.8%)
Blue162 (63.5%)
Hue216.21°
Saturation (HSL)23.77%
Lightness52.16%
Dominant channelBlue
Hex per channelR 68 · G 7F · B A2

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Every value on this page was computed from “687fa2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.