Nerdulator> put something in

Recognised as Colour

#20418B

  • #20418B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#20418B is a blue with RGB values 32, 65, 139 and HSL 221°, 63%, 34%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#20418B#20418B
HEX#20418B
RGBrgb(32, 65, 139)
RGB (0–1)0.1255, 0.2549, 0.5451
RGB percentages12.5%, 25.5%, 54.5%
HSLhsl(221.5, 62.6%, 33.5%)
HSV / HSBhsv(221.5, 77%, 54.5%)
CMYK77%, 53.2%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,113,931
CSS custom property--colour: #20418B;

Brightness & contrast

Relative luminance0.05952WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.59:1
Contrast with white9.59:1WCAG normal text: AAA
Contrast with black2.19:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#DFBE74

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0F4A8Eno red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#00408Ano green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#00535Fno blue cones; rare, and affects men and women equally; ΔE 45.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.59:1WCAG large text: AAA
Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.7Midnight blue · ΔE 21.4Rebecca purple · ΔE 27.4Slate blue · ΔE 28.9Royal blue · ΔE 29.6Steel blue · ΔE 33
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B6A20
Analogous#20778B, #34208B
Triadic#8B2041, #418B20
Split complementary#8B3520, #768B20
Tetradic#8B2077, #8B6A20, #208B34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#91ABE6
Lighter +30%#688CDC
Lighter +20%#3E6CD3
Lighter +10%#2A54B4
Darker −10%#162E62
Darker −20%#0D1A38
Darker −30%#03070F
Darker −40%#000000
More saturated +25%#0B39A0
Less saturated −25%#354976

Channel breakdown

R32
G65
B139
Red32 (12.5%)
Green65 (25.5%)
Blue139 (54.5%)
Hue221.5°
Saturation (HSL)62.57%
Lightness33.53%
Dominant channelBlue
Hex per channelR 20 · G 41 · B 8B

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “20418b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.