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Recognised as Colour

#3C37BF

  • #3C37BF
  • Blue
  • Dark
  • Nearest: Dark blue

#3C37BF is a blue with RGB values 60, 55, 191 and HSL 242°, 55%, 48%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3C37BF#3C37BF
HEX#3C37BF
RGBrgb(60, 55, 191)
RGB (0–1)0.2353, 0.2157, 0.749
RGB percentages23.5%, 21.6%, 74.9%
HSLhsl(242.2, 55.3%, 48.2%)
HSV / HSBhsv(242.2, 71.2%, 74.9%)
CMYK68.6%, 71.2%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,946,431
CSS custom property--colour: #3C37BF;

Brightness & contrast

Relative luminance0.07455WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.43:1
Contrast with white8.43:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#C3C840

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053C3no red cones; affects about 1% of men; ΔE 22.1 from the original
Deuteranopia#0047BDno green cones; the most common form, about 1% of men; ΔE 15.4 from the original
Tritanopia#005D77no blue cones; rare, and affects men and women equally; ΔE 76.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.43:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19Slate blue · ΔE 19.7Medium slateblue · ΔE 20.3Navy · ΔE 20.8Indigo · ΔE 22Rebecca purple · ΔE 23.1
Nearest named CSS colourDark blue (#00008B)ΔE 19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BABF37
Analogous#3776BF, #8037BF
Triadic#BF3C37, #37BF3C
Split complementary#BF8037, #76BF37
Tetradic#BF3776, #BABF37, #37BF80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2D0F2
Lighter +30%#ABA9E6
Lighter +20%#8581DB
Lighter +10%#5E5ACF
Darker −10%#302C97
Darker −20%#232070
Darker −30%#171548
Darker −40%#0A0921
More saturated +25%#2018DE
Less saturated −25%#5856A0

Channel breakdown

R60
G55
B191
Red60 (23.5%)
Green55 (21.6%)
Blue191 (74.9%)
Hue242.21°
Saturation (HSL)55.28%
Lightness48.24%
Dominant channelBlue
Hex per channelR 3C · G 37 · B BF

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Every value on this page was computed from “3c37bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.