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Colour

#447BAB

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

#447BAB is a blue with RGB values 68, 123, 171 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

#447BAB#447BAB
HEX#447BAB
RGBrgb(68, 123, 171)
RGB (0–1)0.2667, 0.4824, 0.6706
RGB percentages26.7%, 48.2%, 67.1%
HSLhsl(208, 43.1%, 46.9%)
HSV / HSBhsv(208, 60.2%, 67.1%)
CMYK60.2%, 28.1%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,488,107
CSS custom property--colour: #447BAB;

Brightness & contrast

Relative luminance0.18335WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.67:1
Contrast with white4.5:1WCAG normal text: Fail
Contrast with black4.67:1WCAG normal text: AA
Greyscale equivalent#737373
Inverted#BB8454

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#667CADno red cones; affects about 1% of men; ΔE 8.9 from the original
Deuteranopia#5972AAno green cones; the most common form, about 1% of men; ΔE 10.2 from the original
Tritanopia#00868Cno 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 text4.5:1WCAG large text: AA
Contrast with black, large text4.67:1WCAG large text: AAA

Named colours

Steel blue · ΔE 2.9Slate grey · ΔE 20.7Light slate grey · ΔE 20.8Cornflower blue · ΔE 25.3Deep skyblue · ΔE 29.2Cadetblue · ΔE 30.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 2.92, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AB7444
Analogous#44ABA7, #4448AB
Triadic#AB447B, #7BAB44
Split complementary#AB4448, #ABA744
Tetradic#A744AB, #AB7444, #48AB44

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CFDEEC
Lighter +30%#ABC6DD
Lighter +20%#86ADCF
Lighter +10%#6294C0
Darker −10%#356187
Darker −20%#274762
Darker −30%#182C3E
Darker −40%#0A1219
More saturated +25%#267DC9
Less saturated −25%#62798D

Channel breakdown

R68
G123
B171
Red68 (26.7%)
Green123 (48.2%)
Blue171 (67.1%)
Hue207.96°
Saturation (HSL)43.1%
Lightness46.86%
Dominant channelBlue
Hex per channelR 44 · G 7B · B AB

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