Nerdulator> put something in

Recognised as Colour

#3961A9

  • #3961A9
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3961A9 is a blue with RGB values 57, 97, 169 and HSL 219°, 50%, 44%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3961A9#3961A9
HEX#3961A9
RGBrgb(57, 97, 169)
RGB (0–1)0.2235, 0.3804, 0.6627
RGB percentages22.4%, 38%, 66.3%
HSLhsl(218.6, 49.6%, 44.3%)
HSV / HSBhsv(218.6, 66.3%, 66.3%)
CMYK66.3%, 42.6%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,760,553
CSS custom property--colour: #3961A9;

Brightness & contrast

Relative luminance0.12284WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.08:1
Contrast with white6.08:1WCAG normal text: AA
Contrast with black3.46:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#C69E56

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4068ACno red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#2E5DA8no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#00717Dno blue cones; rare, and affects men and women equally; ΔE 43 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.08:1WCAG large text: AAA
Contrast with black, large text3.46:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19.5Steel blue · ΔE 20.6Cornflower blue · ΔE 21.3Dodgerblue · ΔE 27.1Royal blue · ΔE 28.4Slate blue · ΔE 30.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A98139
Analogous#3999A9, #4939A9
Triadic#A93961, #61A939
Split complementary#A94939, #99A939
Tetradic#A93999, #A98139, #39A949

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3D1EB
Lighter +30%#9DB4DE
Lighter +20%#7797D1
Lighter +10%#517AC4
Darker −10%#2C4B83
Darker −20%#1F355D
Darker −30%#121F37
Darker −40%#060910
More saturated +25%#1D59C5
Less saturated −25%#55698D

Channel breakdown

R57
G97
B169
Red57 (22.4%)
Green97 (38%)
Blue169 (66.3%)
Hue218.57°
Saturation (HSL)49.56%
Lightness44.31%
Dominant channelBlue
Hex per channelR 39 · G 61 · B A9

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 “3961a9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.