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Recognised as Colour

#737EA3

  • #737EA3
  • Blue
  • Dark
  • Nearest: Light slate grey

#737EA3 is a blue with RGB values 115, 126, 163 and HSL 226°, 21%, 55%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#737EA3#737EA3
HEX#737EA3
RGBrgb(115, 126, 163)
RGB (0–1)0.451, 0.4941, 0.6392
RGB percentages45.1%, 49.4%, 63.9%
HSLhsl(226.2, 20.7%, 54.5%)
HSV / HSBhsv(226.2, 29.4%, 63.9%)
CMYK29.4%, 22.7%, 0%, 36.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,569,059
CSS custom property--colour: #737EA3;

Brightness & contrast

Relative luminance0.21211WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.24:1
Contrast with white4.01:1WCAG normal text: Fail
Contrast with black5.24:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#8C815C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7381A5no red cones; affects about 1% of men; ΔE 1.6 from the original
Deuteranopia#6F7DA2no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#66858Bno blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.01:1WCAG large text: AA
Contrast with black, large text5.24:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 12.5Slate grey · ΔE 12.6Steel blue · ΔE 14.2Gray · ΔE 21.6Dim grey · ΔE 23.3Light steelblue · ΔE 26.6
Nearest named CSS colourLight slate grey (#778899)ΔE 12.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A39873
Analogous#7396A3, #8073A3
Triadic#A3737E, #7EA373
Split complementary#A38073, #96A373
Tetradic#A37396, #A39873, #73A380

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEEFF4
Lighter +30%#CFD3E0
Lighter +20%#B1B7CB
Lighter +10%#929AB7
Darker −10%#5A6589
Darker −20%#464E6A
Darker −30%#32374B
Darker −40%#1D212D
More saturated +25%#566EC0
Less saturated −25%#8B8B8B

Channel breakdown

R115
G126
B163
Red115 (45.1%)
Green126 (49.4%)
Blue163 (63.9%)
Hue226.25°
Saturation (HSL)20.69%
Lightness54.51%
Dominant channelBlue
Hex per channelR 73 · G 7E · B A3

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Every value on this page was computed from “737ea3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.