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Colour

#154B85

  • #154B85
  • Blue
  • Dark
  • Nearest: Dark slateblue

#154B85 is a blue with RGB values 21, 75, 133 and HSL 211°, 73%, 30%. It is a dark colour, so white text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#154B85#154B85
HEX#154B85
RGBrgb(21, 75, 133)
RGB (0–1)0.0824, 0.2941, 0.5216
RGB percentages8.2%, 29.4%, 52.2%
HSLhsl(211.1, 72.7%, 30.2%)
HSV / HSBhsv(211.1, 84.2%, 52.2%)
CMYK84.2%, 43.6%, 0%, 47.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,395,589
CSS custom property--colour: #154B85;

Brightness & contrast

Relative luminance0.06885WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.83:1
Contrast with white8.83:1WCAG normal text: AAA
Contrast with black2.38:1WCAG normal text: Fail
Greyscale equivalent#444444
Inverted#EAB47A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2E5087no red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#194684no green cones; the most common form, about 1% of men; ΔE 4.1 from the original
Tritanopia#005961no blue cones; rare, and affects men and women equally; ΔE 36.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.83:1WCAG large text: AAA
Contrast with black, large text2.38:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 21.4Steel blue · ΔE 23.5Cornflower blue · ΔE 32.9Midnight blue · ΔE 33.1Slate grey · ΔE 35Light slate grey · ΔE 36.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#854F15
Analogous#158385, #171585
Triadic#85154B, #4B8515
Split complementary#851715, #838515
Tetradic#851583, #854F15, #158517

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7CB1EA
Lighter +30%#5097E3
Lighter +20%#247DDC
Lighter +10%#1C64B1
Darker −10%#0E3259
Darker −20%#07192D
Darker −30%#000001
Darker −40%#000000
More saturated +25%#024A98
Less saturated −25%#284C72

Channel breakdown

R21
G75
B133
Red21 (8.2%)
Green75 (29.4%)
Blue133 (52.2%)
Hue211.07°
Saturation (HSL)72.73%
Lightness30.2%
Dominant channelBlue
Hex per channelR 15 · G 4B · B 85

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Every value on this page was computed from “154b85” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.