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Recognised as Colour

#4A588F

  • #4A588F
  • Blue
  • Dark
  • Nearest: Steel blue

#4A588F is a blue with RGB values 74, 88, 143 and HSL 228°, 32%, 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

#4A588F#4A588F
HEX#4A588F
RGBrgb(74, 88, 143)
RGB (0–1)0.2902, 0.3451, 0.5608
RGB percentages29%, 34.5%, 56.1%
HSLhsl(227.8, 31.8%, 42.5%)
HSV / HSBhsv(227.8, 48.3%, 56.1%)
CMYK48.3%, 38.5%, 0%, 43.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,872,335
CSS custom property--colour: #4A588F;

Brightness & contrast

Relative luminance0.10418WCAG 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 black3.08:1WCAG normal text: Fail
Greyscale equivalent#595959
Inverted#B5A770

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#435E91no red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#3D588Eno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#30636Cno blue cones; rare, and affects men and women equally; ΔE 32.9 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 text3.08:1WCAG large text: AA

Named colours

Steel blue · ΔE 20Dark slateblue · ΔE 20.1Slate grey · ΔE 28.7Cornflower blue · ΔE 29Light slate grey · ΔE 30Dim grey · ΔE 34.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 20.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8F814A
Analogous#4A7B8F, #5F4A8F
Triadic#8F4A58, #588F4A
Split complementary#8F5F4A, #7B8F4A
Tetradic#8F4A7B, #8F814A, #4A8F5F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4CAE1
Lighter +30%#A3ACCF
Lighter +20%#818DBE
Lighter +10%#606FAC
Darker −10%#39436D
Darker −20%#272F4C
Darker −30%#161A2A
Darker −40%#040509
More saturated +25%#2F48AA
Less saturated −25%#656874

Channel breakdown

R74
G88
B143
Red74 (29%)
Green88 (34.5%)
Blue143 (56.1%)
Hue227.83°
Saturation (HSL)31.8%
Lightness42.55%
Dominant channelBlue
Hex per channelR 4A · G 58 · B 8F

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Every value on this page was computed from “4a588f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.