Nerdulator> put something in

Colour

#2917B2

  • #2917B2
  • Blue
  • Dark
  • Nearest: Dark blue

#2917B2 is a blue with RGB values 41, 23, 178 and HSL 247°, 77%, 39%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2917B2#2917B2
HEX#2917B2
RGBrgb(41, 23, 178)
RGB (0–1)0.1608, 0.0902, 0.698
RGB percentages16.1%, 9%, 69.8%
HSLhsl(247, 77.1%, 39.4%)
HSV / HSBhsv(247, 87.1%, 69.8%)
CMYK77%, 87.1%, 0%, 30.2%naive device-independent conversion; real print needs an ICC profile
24-bit integer2,693,042
CSS custom property--colour: #2917B2;

Brightness & contrast

Relative luminance0.04299WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.29:1
Contrast with white11.29:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#262626
Inverted#D6E84D

Colour vision & accessibility

Protanopia#0041B6no red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#0033B0no green cones; the most common form, about 1% of men; ΔE 18.7 from the original
Tritanopia#004C69no blue cones; rare, and affects men and women equally; ΔE 83.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.29:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark blue (#00008B)ΔE 13.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#A0B217
Analogous#1752B2, #7717B2
Triadic#B22917, #17B229
Split complementary#B27717, #52B217
Tetradic#B21752, #A0B217, #17B277

Tints, shades & saturation

Lighter +40%#ABA2F3
Lighter +30%#8375ED
Lighter +20%#5A48E7
Lighter +10%#331DDF
Darker −10%#1F1185
Darker −20%#140B58
Darker −30%#0A052B
Darker −40%#000000
More saturated +25%#1700C9
Less saturated −25%#3C3099

Channel breakdown

R41
G23
B178
Red41 (16.1%)
Green23 (9%)
Blue178 (69.8%)
Hue246.97°
Saturation (HSL)77.11%
Lightness39.41%
Dominant channelBlue
Hex per channelR 29 · G 17 · B B2

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 “2917b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.