Nerdulator> put something in

Recognised as Colour

#2B2B99

  • #2B2B99
  • Blue
  • Dark
  • Nearest: Midnight blue

#2B2B99 is a blue with RGB values 43, 43, 153 and HSL 240°, 56%, 38%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#2B2B99#2B2B99
HEX#2B2B99
RGBrgb(43, 43, 153)
RGB (0–1)0.1686, 0.1686, 0.6
RGB percentages16.9%, 16.9%, 60%
HSLhsl(240, 56.1%, 38.4%)
HSV / HSBhsv(240, 71.9%, 60%)
CMYK71.9%, 71.9%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,829,209
CSS custom property--colour: #2B2B99;

Brightness & contrast

Relative luminance0.04541WCAG 2.x, 0 is black and 1 is white
Perceived brightness65.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11:1
Contrast with white11:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#D4D466

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00419Cno red cones; affects about 1% of men; ΔE 18.1 from the original
Deuteranopia#003797no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#004A5Fno blue cones; rare, and affects men and women equally; ΔE 64.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14.9Rebecca purple · ΔE 15.7Indigo · ΔE 16.6Navy · ΔE 17Dark blue · ΔE 19.3Slate blue · ΔE 20.1
Nearest named CSS colourMidnight blue (#191970)ΔE 14.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#99992B
Analogous#2B6299, #622B99
Triadic#992B2B, #2B992B
Split complementary#99622B, #62992B
Tetradic#992B62, #99992B, #2B9962

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9A9E7
Lighter +30%#8181DC
Lighter +20%#5A5AD0
Lighter +10%#3636C1
Darker −10%#202071
Darker −20%#151549
Darker −30%#090922
Darker −40%#000000
More saturated +25%#1313B2
Less saturated −25%#444481

Channel breakdown

R43
G43
B153
Red43 (16.9%)
Green43 (16.9%)
Blue153 (60%)
Hue240°
Saturation (HSL)56.12%
Lightness38.43%
Dominant channelBlue
Hex per channelR 2B · G 2B · B 99

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 “2b2b99” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.