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Recognised as Colour

#4A587F

  • #4A587F
  • Blue
  • Dark
  • Nearest: Steel blue

#4A587F is a blue with RGB values 74, 88, 127 and HSL 224°, 26%, 39%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#4A587F#4A587F
HEX#4A587F
RGBrgb(74, 88, 127)
RGB (0–1)0.2902, 0.3451, 0.498
RGB percentages29%, 34.5%, 49.8%
HSLhsl(224.2, 26.4%, 39.4%)
HSV / HSBhsv(224.2, 41.7%, 49.8%)
CMYK41.7%, 30.7%, 0%, 50.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,872,319
CSS custom property--colour: #4A587F;

Brightness & contrast

Relative luminance0.09968WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.02:1
Contrast with white7.02:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#B5A780

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B5B81no red cones; affects about 1% of men; ΔE 1.5 from the original
Deuteranopia#46577Eno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#396066no blue cones; rare, and affects men and women equally; ΔE 23.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.02:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Steel blue · ΔE 19.4Slate grey · ΔE 21.3Light slate grey · ΔE 23.3Dim grey · ΔE 25.2Dark slate grey · ΔE 27Dark slateblue · ΔE 28.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 19.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F714A
Analogous#4A727F, #574A7F
Triadic#7F4A58, #587F4A
Split complementary#7F574A, #737F4A
Tetradic#7F4A72, #7F714A, #4A7F57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDC4D8
Lighter +30%#9CA7C6
Lighter +20%#7C8BB3
Lighter +10%#5D6E9F
Darker −10%#37425F
Darker −20%#242B3F
Darker −30%#12151E
Darker −40%#000000
More saturated +25%#314C98
Less saturated −25%#636466

Channel breakdown

R74
G88
B127
Red74 (29%)
Green88 (34.5%)
Blue127 (49.8%)
Hue224.15°
Saturation (HSL)26.37%
Lightness39.41%
Dominant channelBlue
Hex per channelR 4A · G 58 · B 7F

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Every value on this page was computed from “4a587f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.