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Recognised as Colour

#748CBB

  • #748CBB
  • Blue
  • Dark
  • Nearest: Steel blue

#748CBB is a blue with RGB values 116, 140, 187 and HSL 220°, 34%, 59%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#748CBB#748CBB
HEX#748CBB
RGBrgb(116, 140, 187)
RGB (0–1)0.4549, 0.549, 0.7333
RGB percentages45.5%, 54.9%, 73.3%
HSLhsl(219.7, 34.3%, 59.4%)
HSV / HSBhsv(219.7, 38%, 73.3%)
CMYK38%, 25.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,638,203
CSS custom property--colour: #748CBB;

Brightness & contrast

Relative luminance0.26057WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.21:1
Contrast with white3.38:1WCAG normal text: Fail
Contrast with black6.21:1WCAG normal text: AA
Greyscale equivalent#8A8A8A
Inverted#8B7344

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7C8FBDno red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#7589BAno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#5D969Cno blue cones; rare, and affects men and women equally; ΔE 27.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.38:1WCAG large text: AA
Contrast with black, large text6.21:1WCAG large text: AAA

Named colours

Steel blue · ΔE 10.5Light slate grey · ΔE 17.2Slate grey · ΔE 18.3Cornflower blue · ΔE 23.2Light steelblue · ΔE 24.1Light skyblue · ΔE 25.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 10.52, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BBA374
Analogous#74B0BB, #8074BB
Triadic#BB748C, #8CBB74
Split complementary#BB8074, #B0BB74
Tetradic#BB74AF, #BBA374, #74BB80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFE
Lighter +30%#DBE1ED
Lighter +20%#B8C5DD
Lighter +10%#96A8CC
Darker −10%#5370A9
Darker −20%#425987
Darker −30%#314365
Darker −40%#212C42
More saturated +25%#5A84D5
Less saturated −25%#8E94A1

Channel breakdown

R116
G140
B187
Red116 (45.5%)
Green140 (54.9%)
Blue187 (73.3%)
Hue219.72°
Saturation (HSL)34.3%
Lightness59.41%
Dominant channelBlue
Hex per channelR 74 · G 8C · B BB

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Every value on this page was computed from “748cbb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.