Nerdulator> put something in

Recognised as Colour

#22379A

  • #22379A
  • Blue
  • Dark
  • Nearest: Midnight blue

#22379A is a blue with RGB values 34, 55, 154 and HSL 230°, 64%, 37%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#22379A#22379A
HEX#22379A
RGBrgb(34, 55, 154)
RGB (0–1)0.1333, 0.2157, 0.6039
RGB percentages13.3%, 21.6%, 60.4%
HSLhsl(229.5, 63.8%, 36.9%)
HSV / HSBhsv(229.5, 77.9%, 60.4%)
CMYK77.9%, 64.3%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,242,458
CSS custom property--colour: #22379A;

Brightness & contrast

Relative luminance0.05406WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.09:1
Contrast with white10.09:1WCAG normal text: AAA
Contrast with black2.08:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#DDC865

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00489Dno red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#003C98no green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#005163no blue cones; rare, and affects men and women equally; ΔE 58.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.09:1WCAG large text: AAA
Contrast with black, large text2.08:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 14Dark slateblue · ΔE 14.7Rebecca purple · ΔE 17.5Slate blue · ΔE 19Royal blue · ΔE 22.1Indigo · ΔE 24.3
Nearest named CSS colourMidnight blue (#191970)ΔE 14.04, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A8522
Analogous#22739A, #49229A
Triadic#9A2237, #379A22
Split complementary#9A4922, #739A22
Tetradic#9A2273, #9A8522, #229A49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EACEA
Lighter +30%#7587E0
Lighter +20%#4B63D7
Lighter +10%#2B46C4
Darker −10%#192870
Darker −20%#101946
Darker −30%#060A1D
Darker −40%#000000
More saturated +25%#0A28B2
Less saturated −25%#394683

Channel breakdown

R34
G55
B154
Red34 (13.3%)
Green55 (21.6%)
Blue154 (60.4%)
Hue229.5°
Saturation (HSL)63.83%
Lightness36.86%
Dominant channelBlue
Hex per channelR 22 · G 37 · B 9A

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 “22379a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.