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Recognised as Colour

#689DDC

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

#689DDC is a blue with RGB values 104, 157, 220 and HSL 213°, 62%, 64%. 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

#689DDC#689DDC
HEX#689DDC
RGBrgb(104, 157, 220)
RGB (0–1)0.4078, 0.6157, 0.8627
RGB percentages40.8%, 61.6%, 86.3%
HSLhsl(212.6, 62.4%, 63.5%)
HSV / HSBhsv(212.6, 52.7%, 86.3%)
CMYK52.7%, 28.6%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,856,156
CSS custom property--colour: #689DDC;

Brightness & contrast

Relative luminance0.32224WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.44:1
Contrast with white2.82:1WCAG normal text: Fail
Contrast with black7.44:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#976223

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#84A0DFno red cones; affects about 1% of men; ΔE 6.9 from the original
Deuteranopia#7595DBno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#27ABB3no blue cones; rare, and affects men and women equally; ΔE 38.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.82:1WCAG large text: Fail
Contrast with black, large text7.44:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.9Cornflower blue · ΔE 15.1Deep skyblue · ΔE 20.7Light skyblue · ΔE 21.5Light steelblue · ΔE 26.8Sky blue · ΔE 27
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.94, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCA768
Analogous#68D7DC, #6D68DC
Triadic#DC689D, #9DDC68
Split complementary#DC6D68, #D7DC68
Tetradic#DC68D7, #DCA768, #68DC6D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4EEF9
Lighter +20%#BBD3EF
Lighter +10%#91B8E6
Darker −10%#3F82D2
Darker −20%#2A69B4
Darker −30%#20518B
Darker −40%#173961
More saturated +25%#519BF3
Less saturated −25%#7F9FC5

Channel breakdown

R104
G157
B220
Red104 (40.8%)
Green157 (61.6%)
Blue220 (86.3%)
Hue212.59°
Saturation (HSL)62.37%
Lightness63.53%
Dominant channelBlue
Hex per channelR 68 · G 9D · B DC

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