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Colour

#4B588E

  • #4B588E
  • Blue
  • Dark
  • Nearest: Steel blue

#4B588E is a blue with RGB values 75, 88, 142 and HSL 228°, 31%, 43%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4B588E#4B588E
HEX#4B588E
RGBrgb(75, 88, 142)
RGB (0–1)0.2941, 0.3451, 0.5569
RGB percentages29.4%, 34.5%, 55.7%
HSLhsl(228.4, 30.9%, 42.5%)
HSV / HSBhsv(228.4, 47.2%, 55.7%)
CMYK47.2%, 38%, 0%, 44.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,937,870
CSS custom property--colour: #4B588E;

Brightness & contrast

Relative luminance0.10428WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.81:1
Contrast with white6.81:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#B4A771

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#445E90no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#3E588Dno green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#32636Cno blue cones; rare, and affects men and women equally; ΔE 32.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.81:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Steel blue · ΔE 20Dark slateblue · ΔE 20.5Slate grey · ΔE 28.2Cornflower blue · ΔE 29.3Light slate grey · ΔE 29.6Dim grey · ΔE 33.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 20, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8E814B
Analogous#4B7A8E, #5F4B8E
Triadic#8E4B58, #588E4B
Split complementary#8E604B, #7A8E4B
Tetradic#8E4B7A, #8E814B, #4B8E60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C5CAE0
Lighter +30%#A3ACCF
Lighter +20%#828DBD
Lighter +10%#616FAB
Darker −10%#39436D
Darker −20%#282F4B
Darker −30%#161A2A
Darker −40%#040509
More saturated +25%#3047A9
Less saturated −25%#666973

Channel breakdown

R75
G88
B142
Red75 (29.4%)
Green88 (34.5%)
Blue142 (55.7%)
Hue228.36°
Saturation (HSL)30.88%
Lightness42.55%
Dominant channelBlue
Hex per channelR 4B · G 58 · B 8E

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Every value on this page was computed from “4b588e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.