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Recognised as Colour

#659CC4

  • #659CC4
  • Blue
  • Dark
  • Nearest: Steel blue

#659CC4 is a blue with RGB values 101, 156, 196 and HSL 205°, 45%, 58%. It is a dark colour, so black text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#659CC4#659CC4
HEX#659CC4
RGBrgb(101, 156, 196)
RGB (0–1)0.3961, 0.6118, 0.7686
RGB percentages39.6%, 61.2%, 76.9%
HSLhsl(205.3, 44.6%, 58.2%)
HSV / HSBhsv(205.3, 48.5%, 76.9%)
CMYK48.5%, 20.4%, 0%, 23.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,659,268
CSS custom property--colour: #659CC4;

Brightness & contrast

Relative luminance0.30529WCAG 2.x, 0 is black and 1 is white
Perceived brightness147.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.11:1
Contrast with white2.96:1WCAG normal text: Fail
Contrast with black7.11:1WCAG normal text: AAA
Greyscale equivalent#939393
Inverted#9A633B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8B9CC6no red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#7E92C3no green cones; the most common form, about 1% of men; ΔE 12.1 from the original
Tritanopia#38A6A9no blue cones; rare, and affects men and women equally; ΔE 27.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.96:1WCAG large text: Fail
Contrast with black, large text7.11:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.7Light slate grey · ΔE 17Light skyblue · ΔE 18.2Slate grey · ΔE 18.8Sky blue · ΔE 19.4Light steelblue · ΔE 20.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C48D65
Analogous#65C4BD, #656CC4
Triadic#C4659C, #9CC465
Split complementary#C4656C, #C4BD65
Tetradic#BD65C4, #C48D65, #6CC465

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F8FBFD
Lighter +30%#D4E3EE
Lighter +20%#AFCBE0
Lighter +10%#8AB4D2
Darker −10%#4484B2
Darker −20%#36688D
Darker −30%#284D68
Darker −40%#1A3243
More saturated +25%#4AA0DF
Less saturated −25%#8098A9

Channel breakdown

R101
G156
B196
Red101 (39.6%)
Green156 (61.2%)
Blue196 (76.9%)
Hue205.26°
Saturation (HSL)44.6%
Lightness58.24%
Dominant channelBlue
Hex per channelR 65 · G 9C · B C4

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Every value on this page was computed from “659cc4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.