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Recognised as Colour

#738CB2

  • #738CB2
  • Blue
  • Dark
  • Nearest: Steel blue

#738CB2 is a blue with RGB values 115, 140, 178 and HSL 216°, 29%, 57%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#738CB2#738CB2
HEX#738CB2
RGBrgb(115, 140, 178)
RGB (0–1)0.451, 0.549, 0.698
RGB percentages45.1%, 54.9%, 69.8%
HSLhsl(216.2, 29%, 57.5%)
HSV / HSBhsv(216.2, 35.4%, 69.8%)
CMYK35.4%, 21.3%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,572,658
CSS custom property--colour: #738CB2;

Brightness & contrast

Relative luminance0.25615WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.12:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.12:1WCAG normal text: AA
Greyscale equivalent#898989
Inverted#8C734D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F8EB4no red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#7888B1no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#5F9499no blue cones; rare, and affects men and women equally; ΔE 22.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.12:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.7Light slate grey · ΔE 12.2Slate grey · ΔE 13.4Light steelblue · ΔE 22.2Gray · ΔE 23.2Light skyblue · ΔE 25.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B29973
Analogous#73ACB2, #7973B2
Triadic#B2738C, #8CB273
Split complementary#B27973, #ACB273
Tetradic#B273AC, #B29973, #73B279

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7F8FA
Lighter +30%#D6DDE8
Lighter +20%#B5C2D6
Lighter +10%#94A7C4
Darker −10%#56729C
Darker −20%#445A7B
Darker −30%#32425A
Darker −40%#202A39
More saturated +25%#5886CD
Less saturated −25%#8E9297

Channel breakdown

R115
G140
B178
Red115 (45.1%)
Green140 (54.9%)
Blue178 (69.8%)
Hue216.19°
Saturation (HSL)29.03%
Lightness57.45%
Dominant channelBlue
Hex per channelR 73 · G 8C · B B2

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Every value on this page was computed from “738cb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.