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Colour

#3C9FD7

  • #3C9FD7
  • Blue
  • Dark
  • Nearest: Steel blue

#3C9FD7 is a blue with RGB values 60, 159, 215 and HSL 202°, 66%, 54%. 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

#3C9FD7#3C9FD7
HEX#3C9FD7
RGBrgb(60, 159, 215)
RGB (0–1)0.2353, 0.6235, 0.8431
RGB percentages23.5%, 62.4%, 84.3%
HSLhsl(201.7, 66%, 53.9%)
HSV / HSBhsv(201.7, 72.1%, 84.3%)
CMYK72.1%, 26%, 0%, 15.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,973,079
CSS custom property--colour: #3C9FD7;

Brightness & contrast

Relative luminance0.30663WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.13:1
Contrast with white2.94:1WCAG normal text: Fail
Contrast with black7.13:1WCAG normal text: AAA
Greyscale equivalent#8E8E8E
Inverted#C36028

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#849FDAno red cones; affects about 1% of men; ΔE 16.5 from the original
Deuteranopia#6F90D6no green cones; the most common form, about 1% of men; ΔE 18.2 from the original
Tritanopia#00ADB2no blue cones; rare, and affects men and women equally; ΔE 33.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.94:1WCAG large text: Fail
Contrast with black, large text7.13:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.5Deep skyblue · ΔE 13.9Light skyblue · ΔE 19.4Cornflower blue · ΔE 23.4Sky blue · ΔE 23.4Light slate grey · ΔE 27.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D7743C
Analogous#3CD7C2, #3C51D7
Triadic#D73C9F, #9FD73C
Split complementary#D73C51, #D7C23C
Tetradic#C23CD7, #D7743C, #51D73C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5F2FA
Lighter +30%#BBDEF1
Lighter +20%#91C9E8
Lighter +10%#66B4E0
Darker −10%#2684BA
Darker −20%#1D6690
Darker −30%#154865
Darker −40%#0C2A3B
More saturated +25%#1FA7F4
Less saturated −25%#5997BA

Channel breakdown

R60
G159
B215
Red60 (23.5%)
Green159 (62.4%)
Blue215 (84.3%)
Hue201.68°
Saturation (HSL)65.96%
Lightness53.92%
Dominant channelBlue
Hex per channelR 3C · G 9F · B D7

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Every value on this page was computed from “3c9fd7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.