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Recognised as Colour

#3C77CF

  • #3C77CF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3C77CF is a blue with RGB values 60, 119, 207 and HSL 216°, 60%, 52%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3C77CF#3C77CF
HEX#3C77CF
RGBrgb(60, 119, 207)
RGB (0–1)0.2353, 0.4667, 0.8118
RGB percentages23.5%, 46.7%, 81.2%
HSLhsl(215.9, 60.5%, 52.4%)
HSV / HSBhsv(215.9, 71%, 81.2%)
CMYK71%, 42.5%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,962,831
CSS custom property--colour: #3C77CF;

Brightness & contrast

Relative luminance0.18659WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.73:1
Contrast with white4.44:1WCAG normal text: Fail
Contrast with black4.73:1WCAG normal text: AA
Greyscale equivalent#717171
Inverted#C38830

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C7FD2no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#3371CDno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#008C99no blue cones; rare, and affects men and women equally; ΔE 51 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.44:1WCAG large text: AA
Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.8Dodgerblue · ΔE 15.3Royal blue · ΔE 21.5Steel blue · ΔE 23.9Dark slateblue · ΔE 26.6Medium purple · ΔE 26.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF943C
Analogous#3CC0CF, #4B3CCF
Triadic#CF3C77, #77CF3C
Split complementary#CF4B3C, #C0CF3C
Tetradic#CF3CC0, #CF943C, #3CCF4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0E9F7
Lighter +30%#B7CDED
Lighter +20%#8EB0E3
Lighter +10%#6594D9
Darker −10%#2B5FAD
Darker −20%#214984
Darker −30%#17325B
Darker −40%#0C1C33
More saturated +25%#1E71ED
Less saturated −25%#5A7DB1

Channel breakdown

R60
G119
B207
Red60 (23.5%)
Green119 (46.7%)
Blue207 (81.2%)
Hue215.92°
Saturation (HSL)60.49%
Lightness52.35%
Dominant channelBlue
Hex per channelR 3C · G 77 · B CF

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Every value on this page was computed from “3c77cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.