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Recognised as Colour

#4A597B

  • #4A597B
  • Blue
  • Dark
  • Nearest: Slate grey

#4A597B is a blue with RGB values 74, 89, 123 and HSL 222°, 25%, 39%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#4A597B#4A597B
HEX#4A597B
RGBrgb(74, 89, 123)
RGB (0–1)0.2902, 0.349, 0.4824
RGB percentages29%, 34.9%, 48.2%
HSLhsl(221.6, 24.9%, 38.6%)
HSV / HSBhsv(221.6, 39.8%, 48.2%)
CMYK39.8%, 27.6%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,872,571
CSS custom property--colour: #4A597B;

Brightness & contrast

Relative luminance0.10031WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.99:1
Contrast with white6.99:1WCAG normal text: AA
Contrast with black3.01:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#B5A684

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D5C7Cno red cones; affects about 1% of men; ΔE 1.8 from the original
Deuteranopia#49577Ano green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#3A6065no blue cones; rare, and affects men and women equally; ΔE 20.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.99:1WCAG large text: AAA
Contrast with black, large text3.01:1WCAG large text: AA

Named colours

Slate grey · ΔE 19.1Steel blue · ΔE 19.8Light slate grey · ΔE 21.4Dim grey · ΔE 22.3Dark slate grey · ΔE 24Gray · ΔE 26.5
Nearest named CSS colourSlate grey (#708090)ΔE 19.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7B6C4A
Analogous#4A717B, #544A7B
Triadic#7B4A59, #597B4A
Split complementary#7B544A, #727B4A
Tetradic#7B4A71, #7B6C4A, #4A7B54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BBC3D6
Lighter +30%#9BA7C3
Lighter +20%#7B8BB0
Lighter +10%#5D709B
Darker −10%#37425B
Darker −20%#242B3B
Darker −30%#11141B
Darker −40%#000000
More saturated +25%#314F94
Less saturated −25%#636363

Channel breakdown

R74
G89
B123
Red74 (29%)
Green89 (34.9%)
Blue123 (48.2%)
Hue221.63°
Saturation (HSL)24.87%
Lightness38.63%
Dominant channelBlue
Hex per channelR 4A · G 59 · B 7B

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Every value on this page was computed from “4a597b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.