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Recognised as Colour

#424ABC

  • #424ABC
  • Blue
  • Dark
  • Nearest: Slate blue

#424ABC is a blue with RGB values 66, 74, 188 and HSL 236°, 48%, 50%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#424ABC#424ABC
HEX#424ABC
RGBrgb(66, 74, 188)
RGB (0–1)0.2588, 0.2902, 0.7373
RGB percentages25.9%, 29%, 73.7%
HSLhsl(236.1, 48%, 49.8%)
HSV / HSBhsv(236.1, 64.9%, 73.7%)
CMYK64.9%, 60.6%, 0%, 26.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,344,508
CSS custom property--colour: #424ABC;

Brightness & contrast

Relative luminance0.09687WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.15:1
Contrast with white7.15:1WCAG normal text: AAA
Contrast with black2.94:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#BDB543

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DC0no red cones; affects about 1% of men; ΔE 17.3 from the original
Deuteranopia#0052BAno green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#00667Cno blue cones; rare, and affects men and women equally; ΔE 64.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.15:1WCAG large text: AAA
Contrast with black, large text2.94:1WCAG large text: Fail

Named colours

Slate blue · ΔE 9.2Royal blue · ΔE 13.2Medium slateblue · ΔE 17.5Rebecca purple · ΔE 17.7Medium purple · ΔE 21.2Dark slateblue · ΔE 21.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 9.25, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BCB442
Analogous#4287BC, #7742BC
Triadic#BC424A, #4ABC42
Split complementary#BC7742, #87BC42
Tetradic#BC4287, #BCB442, #42BC77

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9DAF1
Lighter +30%#B3B6E4
Lighter +20%#8D92D7
Lighter +10%#676ECA
Darker −10%#353B96
Darker −20%#272C71
Darker −30%#1A1D4B
Darker −40%#0D0F25
More saturated +25%#222EDC
Less saturated −25%#62669C

Channel breakdown

R66
G74
B188
Red66 (25.9%)
Green74 (29%)
Blue188 (73.7%)
Hue236.07°
Saturation (HSL)48.03%
Lightness49.8%
Dominant channelBlue
Hex per channelR 42 · G 4A · B BC

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Every value on this page was computed from “424abc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.