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Recognised as Colour

#3447A4

  • #3447A4
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3447A4 is a blue with RGB values 52, 71, 164 and HSL 230°, 52%, 42%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3447A4#3447A4
HEX#3447A4
RGBrgb(52, 71, 164)
RGB (0–1)0.2039, 0.2784, 0.6431
RGB percentages20.4%, 27.8%, 64.3%
HSLhsl(229.8, 51.9%, 42.4%)
HSV / HSBhsv(229.8, 68.3%, 64.3%)
CMYK68.3%, 56.7%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,426,212
CSS custom property--colour: #3447A4;

Brightness & contrast

Relative luminance0.07917WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.13:1
Contrast with white8.13:1WCAG normal text: AAA
Contrast with black2.58:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#CBB85B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055A7no red cones; affects about 1% of men; ΔE 13.4 from the original
Deuteranopia#004BA2no green cones; the most common form, about 1% of men; ΔE 8.2 from the original
Tritanopia#005E6Eno blue cones; rare, and affects men and women equally; ΔE 55.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.13:1WCAG large text: AAA
Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11Slate blue · ΔE 17.3Royal blue · ΔE 19Rebecca purple · ΔE 19.5Midnight blue · ΔE 19.7Medium purple · ΔE 24.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.03, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A49134
Analogous#347FA4, #5934A4
Triadic#A43447, #47A434
Split complementary#A45934, #7FA434
Tetradic#A4347F, #A49134, #34A459

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC3E9
Lighter +30%#94A0DD
Lighter +20%#6D7ED1
Lighter +10%#475CC4
Darker −10%#28367D
Darker −20%#1B2557
Darker −30%#0F1530
Darker −40%#030409
More saturated +25%#1935BF
Less saturated −25%#4F5989

Channel breakdown

R52
G71
B164
Red52 (20.4%)
Green71 (27.8%)
Blue164 (64.3%)
Hue229.82°
Saturation (HSL)51.85%
Lightness42.35%
Dominant channelBlue
Hex per channelR 34 · G 47 · B A4

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Every value on this page was computed from “3447a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.