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Recognised as Colour

#4197CD

  • #4197CD
  • Blue
  • Dark
  • Nearest: Steel blue

#4197CD is a blue with RGB values 65, 151, 205 and HSL 203°, 58%, 53%. It is a dark colour, so black text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4197CD#4197CD
HEX#4197CD
RGBrgb(65, 151, 205)
RGB (0–1)0.2549, 0.5922, 0.8039
RGB percentages25.5%, 59.2%, 80.4%
HSLhsl(203.1, 58.3%, 52.9%)
HSV / HSBhsv(203.1, 68.3%, 80.4%)
CMYK68.3%, 26.3%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,298,701
CSS custom property--colour: #4197CD;

Brightness & contrast

Relative luminance0.27665WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.53:1
Contrast with white3.21:1WCAG normal text: Fail
Contrast with black6.53:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#BE6832

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E97CFno red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#6B89CCno green cones; the most common form, about 1% of men; ΔE 16.6 from the original
Tritanopia#00A5AAno blue cones; rare, and affects men and women equally; ΔE 33.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.21:1WCAG large text: AA
Contrast with black, large text6.53:1WCAG large text: AAA

Named colours

Steel blue · ΔE 9Deep skyblue · ΔE 17.4Light skyblue · ΔE 21.4Cornflower blue · ΔE 22.9Sky blue · ΔE 24.9Light slate grey · ΔE 25.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.99, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD7741
Analogous#41CDBD, #4151CD
Triadic#CD4197, #97CD41
Split complementary#CD4151, #CDBD41
Tetradic#BD41CD, #CD7741, #51CD41

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2EFF7
Lighter +30%#BAD9ED
Lighter +20%#92C3E2
Lighter +10%#69ADD8
Darker −10%#2E7CAD
Darker −20%#235F85
Darker −30%#18425D
Darker −40%#0E2534
More saturated +25%#239EEB
Less saturated −25%#5F90AF

Channel breakdown

R65
G151
B205
Red65 (25.5%)
Green151 (59.2%)
Blue205 (80.4%)
Hue203.14°
Saturation (HSL)58.33%
Lightness52.94%
Dominant channelBlue
Hex per channelR 41 · G 97 · B CD

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Every value on this page was computed from “4197cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.