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Recognised as Colour

#426DB9

  • #426DB9
  • Blue
  • Dark
  • Nearest: Cornflower blue

#426DB9 is a blue with RGB values 66, 109, 185 and HSL 218°, 47%, 49%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#426DB9#426DB9
HEX#426DB9
RGBrgb(66, 109, 185)
RGB (0–1)0.2588, 0.4275, 0.7255
RGB percentages25.9%, 42.7%, 72.5%
HSLhsl(218.3, 47.4%, 49.2%)
HSV / HSBhsv(218.3, 64.3%, 72.5%)
CMYK64.3%, 41.1%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,353,465
CSS custom property--colour: #426DB9;

Brightness & contrast

Relative luminance0.15598WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.1:1
Contrast with white5.1:1WCAG normal text: AA
Contrast with black4.12:1WCAG normal text: Fail
Greyscale equivalent#696969
Inverted#BD9246

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B74BCno red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#3969B7no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#007E8Ano blue cones; rare, and affects men and women equally; ΔE 45.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.1:1WCAG large text: AAA
Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.2Steel blue · ΔE 19.4Dark slateblue · ΔE 22.8Dodgerblue · ΔE 22.8Royal blue · ΔE 26.6Medium purple · ΔE 29
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B98E42
Analogous#42A8B9, #5342B9
Triadic#B9426D, #6DB942
Split complementary#B95342, #A8B942
Tetradic#B942A8, #B98E42, #42B953

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D6E0F1
Lighter +30%#B1C3E3
Lighter +20%#8BA6D6
Lighter +10%#6689C8
Darker −10%#355793
Darker −20%#27416E
Darker −30%#1A2B48
Darker −40%#0C1423
More saturated +25%#2364D8
Less saturated −25%#61769A

Channel breakdown

R66
G109
B185
Red66 (25.9%)
Green109 (42.7%)
Blue185 (72.5%)
Hue218.32°
Saturation (HSL)47.41%
Lightness49.22%
Dominant channelBlue
Hex per channelR 42 · G 6D · B B9

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Every value on this page was computed from “426db9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.