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Colour

#3F7AA2

  • #3F7AA2
  • Blue
  • Dark
  • Nearest: Steel blue

#3F7AA2 is a blue with RGB values 63, 122, 162 and HSL 204°, 44%, 44%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3F7AA2#3F7AA2
HEX#3F7AA2
RGBrgb(63, 122, 162)
RGB (0–1)0.2471, 0.4784, 0.6353
RGB percentages24.7%, 47.8%, 63.5%
HSLhsl(204.2, 44%, 44.1%)
HSV / HSBhsv(204.2, 61.1%, 63.5%)
CMYK61.1%, 24.7%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,160,162
CSS custom property--colour: #3F7AA2;

Brightness & contrast

Relative luminance0.17584WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.65:1
Contrast with white4.65:1WCAG normal text: AA
Contrast with black4.52:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#C0855D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#687AA4no red cones; affects about 1% of men; ΔE 11.4 from the original
Deuteranopia#5A70A1no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#008488no blue cones; rare, and affects men and women equally; ΔE 27 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.65:1WCAG large text: AAA
Contrast with black, large text4.52:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.7Slate grey · ΔE 17.7Light slate grey · ΔE 18.1Cadetblue · ΔE 26.6Dim grey · ΔE 28.4Gray · ΔE 28.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.65, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A2673F
Analogous#3FA298, #3F49A2
Triadic#A23F7A, #7AA23F
Split complementary#A23F49, #A2993F
Tetradic#983FA2, #A2673F, #48A23F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5DAE8
Lighter +30%#A0C3DA
Lighter +20%#7BABCC
Lighter +10%#5794BD
Darker −10%#315E7D
Darker −20%#224359
Darker −30%#142734
Darker −40%#060B0F
More saturated +25%#237FBE
Less saturated −25%#5B7586

Channel breakdown

R63
G122
B162
Red63 (24.7%)
Green122 (47.8%)
Blue162 (63.5%)
Hue204.24°
Saturation (HSL)44%
Lightness44.12%
Dominant channelBlue
Hex per channelR 3F · G 7A · B A2

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Every value on this page was computed from “3f7aa2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.