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Recognised as Colour

#447BAA

  • #447BAA
  • Blue
  • Dark
  • Nearest: Steel blue

#447BAA is a blue with RGB values 68, 123, 170 and HSL 208°, 43%, 47%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#447BAA#447BAA
HEX#447BAA
RGBrgb(68, 123, 170)
RGB (0–1)0.2667, 0.4824, 0.6667
RGB percentages26.7%, 48.2%, 66.7%
HSLhsl(207.6, 42.9%, 46.7%)
HSV / HSBhsv(207.6, 60%, 66.7%)
CMYK60%, 27.6%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,488,106
CSS custom property--colour: #447BAA;

Brightness & contrast

Relative luminance0.18297WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.66:1
Contrast with white4.51:1WCAG normal text: AA
Contrast with black4.66:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#BB8455

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#677CACno red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#5972A9no green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#00868Bno blue cones; rare, and affects men and women equally; ΔE 31 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.51:1WCAG large text: AAA
Contrast with black, large text4.66:1WCAG large text: AAA

Named colours

Steel blue · ΔE 3.1Slate grey · ΔE 20.2Light slate grey · ΔE 20.4Cornflower blue · ΔE 25.9Deep skyblue · ΔE 29.2Cadetblue · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 3.14, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA7344
Analogous#44AAA6, #4448AA
Triadic#AA447B, #7BAA44
Split complementary#AA4448, #AAA644
Tetradic#A644AA, #AA7344, #48AA44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CEDEEC
Lighter +30%#AAC6DD
Lighter +20%#86ADCE
Lighter +10%#6194C0
Darker −10%#356186
Darker −20%#274661
Darker −30%#182C3D
Darker −40%#0A1218
More saturated +25%#267DC8
Less saturated −25%#62798C

Channel breakdown

R68
G123
B170
Red68 (26.7%)
Green123 (48.2%)
Blue170 (66.7%)
Hue207.65°
Saturation (HSL)42.86%
Lightness46.67%
Dominant channelBlue
Hex per channelR 44 · G 7B · B AA

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Every value on this page was computed from “447baa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.