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Colour

#3137C3

  • #3137C3
  • Blue
  • Dark
  • Nearest: Dark blue

#3137C3 is a blue with RGB values 49, 55, 195 and HSL 238°, 60%, 48%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#3137C3#3137C3
HEX#3137C3
RGBrgb(49, 55, 195)
RGB (0–1)0.1922, 0.2157, 0.7647
RGB percentages19.2%, 21.6%, 76.5%
HSLhsl(237.5, 59.8%, 47.8%)
HSV / HSBhsv(237.5, 74.9%, 76.5%)
CMYK74.9%, 71.8%, 0%, 23.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,225,539
CSS custom property--colour: #3137C3;

Brightness & contrast

Relative luminance0.07325WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.52:1
Contrast with white8.52:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#404040
Inverted#CEC83C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054C7no red cones; affects about 1% of men; ΔE 22.1 from the original
Deuteranopia#0045C0no green cones; the most common form, about 1% of men; ΔE 13.4 from the original
Tritanopia#005F79no blue cones; rare, and affects men and women equally; ΔE 78.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.52:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Dark blue · ΔE 19.1Medium slateblue · ΔE 21.4Navy · ΔE 21.4Slate blue · ΔE 21.8Indigo · ΔE 24.1Royal blue · ΔE 25.4
Nearest named CSS colourDark blue (#00008B)ΔE 19.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C3BD31
Analogous#3180C3, #7431C3
Triadic#C33137, #37C331
Split complementary#C37431, #80C331
Tetradic#C33180, #C3BD31, #31C374

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDCFF3
Lighter +30%#A5A7E8
Lighter +20%#7C80DE
Lighter +10%#5358D4
Darker −10%#272C9A
Darker −20%#1D2071
Darker −30%#121549
Darker −40%#080920
More saturated +25%#121BE2
Less saturated −25%#4F53A4

Channel breakdown

R49
G55
B195
Red49 (19.2%)
Green55 (21.6%)
Blue195 (76.5%)
Hue237.53°
Saturation (HSL)59.84%
Lightness47.84%
Dominant channelBlue
Hex per channelR 31 · G 37 · B C3

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Every value on this page was computed from “3137c3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.