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Recognised as Colour

#576F99

  • #576F99
  • Blue
  • Dark
  • Nearest: Steel blue

#576F99 is a blue with RGB values 87, 111, 153 and HSL 218°, 27%, 47%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#576F99#576F99
HEX#576F99
RGBrgb(87, 111, 153)
RGB (0–1)0.3412, 0.4353, 0.6
RGB percentages34.1%, 43.5%, 60%
HSLhsl(218.2, 27.5%, 47.1%)
HSV / HSBhsv(218.2, 43.1%, 60%)
CMYK43.1%, 27.5%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,730,201
CSS custom property--colour: #576F99;

Brightness & contrast

Relative luminance0.15695WCAG 2.x, 0 is black and 1 is white
Perceived brightness110.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.07:1
Contrast with white5.07:1WCAG normal text: AA
Contrast with black4.14:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#A89066

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#60729Bno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#596C98no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#40787Eno blue cones; rare, and affects men and women equally; ΔE 25.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.07:1WCAG large text: AAA
Contrast with black, large text4.14:1WCAG large text: AA

Named colours

Steel blue · ΔE 11.1Slate grey · ΔE 17Light slate grey · ΔE 17.9Dim grey · ΔE 25.8Gray · ΔE 26.7Cornflower blue · ΔE 29
Nearest named CSS colourSteel blue (#4682B4)ΔE 11.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#998157
Analogous#579099, #605799
Triadic#99576F, #6F9957
Split complementary#996057, #909957
Tetradic#995790, #998157, #579960

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5DCE7
Lighter +30%#B4C0D5
Lighter +20%#94A5C2
Lighter +10%#7389B0
Darker −10%#455778
Darker −20%#324058
Darker −30%#202837
Darker −40%#0D1117
More saturated +25%#3967B7
Less saturated −25%#75777B

Channel breakdown

R87
G111
B153
Red87 (34.1%)
Green111 (43.5%)
Blue153 (60%)
Hue218.18°
Saturation (HSL)27.5%
Lightness47.06%
Dominant channelBlue
Hex per channelR 57 · G 6F · B 99

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Every value on this page was computed from “576f99” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.