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Recognised as Colour

#48538B

  • #48538B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#48538B is a blue with RGB values 72, 83, 139 and HSL 230°, 32%, 41%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#48538B#48538B
HEX#48538B
RGBrgb(72, 83, 139)
RGB (0–1)0.2824, 0.3255, 0.5451
RGB percentages28.2%, 32.5%, 54.5%
HSLhsl(230.1, 31.8%, 41.4%)
HSV / HSBhsv(230.1, 48.2%, 54.5%)
CMYK48.2%, 40.3%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,739,979
CSS custom property--colour: #48538B;

Brightness & contrast

Relative luminance0.09428WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.28:1
Contrast with white7.28:1WCAG normal text: AAA
Contrast with black2.89:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#B7AC74

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E598Dno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#38548Ano green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#2F5F68no blue cones; rare, and affects men and women equally; ΔE 33.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.28:1WCAG large text: AAA
Contrast with black, large text2.89:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.2Steel blue · ΔE 22.3Cornflower blue · ΔE 30.3Slate grey · ΔE 30.6Light slate grey · ΔE 32Midnight blue · ΔE 33.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B8048
Analogous#48758B, #5E488B
Triadic#8B4853, #538B48
Split complementary#8B5E48, #758B48
Tetradic#8B4875, #8B8048, #488B5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0C5DF
Lighter +30%#9FA6CD
Lighter +20%#7D87BC
Lighter +10%#5C69AA
Darker −10%#373F69
Darker −20%#252B48
Darker −30%#141726
Darker −40%#020305
More saturated +25%#2E41A5
Less saturated −25%#626571

Channel breakdown

R72
G83
B139
Red72 (28.2%)
Green83 (32.5%)
Blue139 (54.5%)
Hue230.15°
Saturation (HSL)31.75%
Lightness41.37%
Dominant channelBlue
Hex per channelR 48 · G 53 · B 8B

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Every value on this page was computed from “48538b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.