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Recognised as Colour

#41508B

  • #41508B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#41508B is a blue with RGB values 65, 80, 139 and HSL 228°, 36%, 40%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#41508B#41508B
HEX#41508B
RGBrgb(65, 80, 139)
RGB (0–1)0.2549, 0.3137, 0.5451
RGB percentages25.5%, 31.4%, 54.5%
HSLhsl(227.8, 36.3%, 40%)
HSV / HSBhsv(227.8, 53.2%, 54.5%)
CMYK53.2%, 42.4%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,280,459
CSS custom property--colour: #41508B;

Brightness & contrast

Relative luminance0.08725WCAG 2.x, 0 is black and 1 is white
Perceived brightness85 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.65:1
Contrast with white7.65:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#BEAF74

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#38578Dno red cones; affects about 1% of men; ΔE 6.3 from the original
Deuteranopia#30508Ano green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#1F5D66no blue cones; rare, and affects men and women equally; ΔE 37 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.65:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.6Steel blue · ΔE 23.5Cornflower blue · ΔE 30.3Midnight blue · ΔE 31.5Slate grey · ΔE 32.9Rebecca purple · ΔE 33.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.56, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B7C41
Analogous#41758B, #57418B
Triadic#8B4150, #508B41
Split complementary#8B5741, #758B41
Tetradic#8B4175, #8B7C41, #418B57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BAC1DF
Lighter +30%#97A2CE
Lighter +20%#7483BE
Lighter +10%#5164AE
Darker −10%#313C68
Darker −20%#212846
Darker −30%#101423
Darker −40%#000000
More saturated +25%#2841A5
Less saturated −25%#5B5F72

Channel breakdown

R65
G80
B139
Red65 (25.5%)
Green80 (31.4%)
Blue139 (54.5%)
Hue227.84°
Saturation (HSL)36.27%
Lightness40%
Dominant channelBlue
Hex per channelR 41 · G 50 · B 8B

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Every value on this page was computed from “41508b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.