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Recognised as Colour

#3976B2

  • #3976B2
  • Blue
  • Dark
  • Nearest: Steel blue

#3976B2 is a blue with RGB values 57, 118, 178 and HSL 210°, 51%, 46%. It is a dark colour, so white text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3976B2#3976B2
HEX#3976B2
RGBrgb(57, 118, 178)
RGB (0–1)0.2235, 0.4627, 0.698
RGB percentages22.4%, 46.3%, 69.8%
HSLhsl(209.8, 51.5%, 46.1%)
HSV / HSBhsv(209.8, 68%, 69.8%)
CMYK68%, 33.7%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,765,938
CSS custom property--colour: #3976B2;

Brightness & contrast

Relative luminance0.17041WCAG 2.x, 0 is black and 1 is white
Perceived brightness112.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.76:1
Contrast with white4.76:1WCAG normal text: AA
Contrast with black4.41:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#C6894D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B79B5no red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#4B6DB1no green cones; the most common form, about 1% of men; ΔE 9.1 from the original
Tritanopia#00848Cno blue cones; rare, and affects men and women equally; ΔE 36.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.76:1WCAG large text: AAA
Contrast with black, large text4.41:1WCAG large text: AA

Named colours

Steel blue · ΔE 8Cornflower blue · ΔE 20.2Slate grey · ΔE 27.5Light slate grey · ΔE 27.6Dodgerblue · ΔE 29.8Deep skyblue · ΔE 30.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.95, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B27539
Analogous#39B2B2, #3939B2
Triadic#B23976, #76B239
Split complementary#B23939, #B2B239
Tetradic#B239B2, #B27539, #39B239

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9DCEE
Lighter +30%#A3C2E1
Lighter +20%#7CA9D5
Lighter +10%#558FC9
Darker −10%#2D5C8B
Darker −20%#204365
Darker −30%#14293E
Darker −40%#081017
More saturated +25%#1C76CF
Less saturated −25%#567695

Channel breakdown

R57
G118
B178
Red57 (22.4%)
Green118 (46.3%)
Blue178 (69.8%)
Hue209.75°
Saturation (HSL)51.49%
Lightness46.08%
Dominant channelBlue
Hex per channelR 39 · G 76 · B B2

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Every value on this page was computed from “3976b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.