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Recognised as Colour

#6590C4

  • #6590C4
  • Blue
  • Dark
  • Nearest: Steel blue

#6590C4 is a blue with RGB values 101, 144, 196 and HSL 213°, 45%, 58%. It is a dark colour, so black text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#6590C4#6590C4
HEX#6590C4
RGBrgb(101, 144, 196)
RGB (0–1)0.3961, 0.5647, 0.7686
RGB percentages39.6%, 56.5%, 76.9%
HSLhsl(212.8, 44.6%, 58.2%)
HSV / HSBhsv(212.8, 48.5%, 76.9%)
CMYK48.5%, 26.5%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,656,196
CSS custom property--colour: #6590C4;

Brightness & contrast

Relative luminance0.26699WCAG 2.x, 0 is black and 1 is white
Perceived brightness140 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.34:1
Contrast with white3.31:1WCAG normal text: Fail
Contrast with black6.34:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#9A6F3B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C92C6no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#7089C3no green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#3B9CA2no blue cones; rare, and affects men and women equally; ΔE 32.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.31:1WCAG large text: AA
Contrast with black, large text6.34:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.3Cornflower blue · ΔE 20.5Light slate grey · ΔE 20.7Slate grey · ΔE 21.8Light skyblue · ΔE 23.7Deep skyblue · ΔE 24.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.31, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C49965
Analogous#65C0C4, #6A65C4
Triadic#C46590, #90C465
Split complementary#C46A65, #C0C465
Tetradic#C465BF, #C49965, #65C46A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8FAFD
Lighter +30%#D4E0EE
Lighter +20%#AFC5E0
Lighter +10%#8AABD2
Darker −10%#4476B2
Darker −20%#365D8D
Darker −30%#284568
Darker −40%#1A2D43
More saturated +25%#4A8DDF
Less saturated −25%#8093A9

Channel breakdown

R101
G144
B196
Red101 (39.6%)
Green144 (56.5%)
Blue196 (76.9%)
Hue212.84°
Saturation (HSL)44.6%
Lightness58.24%
Dominant channelBlue
Hex per channelR 65 · G 90 · B C4

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Every value on this page was computed from “6590c4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.