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Colour

#689ED1

  • #689ED1
  • Blue
  • Dark
  • Nearest: Steel blue

#689ED1 is a blue with RGB values 104, 158, 209 and HSL 209°, 53%, 61%. It is a dark colour, so black text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#689ED1#689ED1
HEX#689ED1
RGBrgb(104, 158, 209)
RGB (0–1)0.4078, 0.6196, 0.8196
RGB percentages40.8%, 62%, 82%
HSLhsl(209.1, 53.3%, 61.4%)
HSV / HSBhsv(209.1, 50.2%, 82%)
CMYK50.2%, 24.4%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,856,401
CSS custom property--colour: #689ED1;

Brightness & contrast

Relative luminance0.32WCAG 2.x, 0 is black and 1 is white
Perceived brightness151.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.4:1
Contrast with white2.84:1WCAG normal text: Fail
Contrast with black7.4:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#97612E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#899FD3no red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#7B95D0no green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#33AAAFno blue cones; rare, and affects men and women equally; ΔE 32.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.84:1WCAG large text: Fail
Contrast with black, large text7.4:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.9Light skyblue · ΔE 18.1Deep skyblue · ΔE 20Light slate grey · ΔE 21.8Sky blue · ΔE 21.9Cornflower blue · ΔE 22.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.9, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D19B68
Analogous#68D1CF, #686AD1
Triadic#D1689E, #9ED168
Split complementary#D1686A, #D1CF68
Tetradic#CF68D1, #D19B68, #6AD168

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DDE9F5
Lighter +20%#B6D0E9
Lighter +10%#8FB7DD
Darker −10%#4185C5
Darker −20%#316BA2
Darker −30%#25517B
Darker −40%#193754
More saturated +25%#4F9FEA
Less saturated −25%#819DB8

Channel breakdown

R104
G158
B209
Red104 (40.8%)
Green158 (62%)
Blue209 (82%)
Hue209.14°
Saturation (HSL)53.3%
Lightness61.37%
Dominant channelBlue
Hex per channelR 68 · G 9E · B D1

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Every value on this page was computed from “689ed1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.