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Colour

#28416C

  • #28416C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#28416C is a blue with RGB values 40, 65, 108 and HSL 218°, 46%, 29%. It is a dark colour, so white text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#28416C#28416C
HEX#28416C
RGBrgb(40, 65, 108)
RGB (0–1)0.1569, 0.2549, 0.4235
RGB percentages15.7%, 25.5%, 42.4%
HSLhsl(217.9, 45.9%, 29%)
HSV / HSBhsv(217.9, 63%, 42.4%)
CMYK63%, 39.8%, 0%, 57.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,638,188
CSS custom property--colour: #28416C;

Brightness & contrast

Relative luminance0.05314WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.18:1
Contrast with white10.18:1WCAG normal text: AAA
Contrast with black2.06:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#D7BE93

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2F456Eno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#263E6Bno green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#004B51no blue cones; rare, and affects men and women equally; ΔE 29.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.18:1WCAG large text: AAA
Contrast with black, large text2.06:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.5Steel blue · ΔE 26.8Dark slate grey · ΔE 29.7Slate grey · ΔE 31.5Dim grey · ΔE 33Light slate grey · ΔE 33.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6C5328
Analogous#28636C, #31286C
Triadic#6C2841, #416C28
Split complementary#6C3128, #636C28
Tetradic#6C2863, #6C5328, #286C31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CA6D4
Lighter +30%#668AC7
Lighter +20%#446EB6
Lighter +10%#365791
Darker −10%#1A2B47
Darker −20%#0C1422
Darker −30%#000000
Darker −40%#000000
More saturated +25%#153C7E
Less saturated −25%#3A465A

Channel breakdown

R40
G65
B108
Red40 (15.7%)
Green65 (25.5%)
Blue108 (42.4%)
Hue217.94°
Saturation (HSL)45.95%
Lightness29.02%
Dominant channelBlue
Hex per channelR 28 · G 41 · B 6C

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Every value on this page was computed from “28416c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.