Nerdulator> put something in

Recognised as Colour

#224BB9

  • #224BB9
  • Blue
  • Dark
  • Nearest: Royal blue

#224BB9 is a blue with RGB values 34, 75, 185 and HSL 224°, 69%, 43%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#224BB9#224BB9
HEX#224BB9
RGBrgb(34, 75, 185)
RGB (0–1)0.1333, 0.2941, 0.7255
RGB percentages13.3%, 29.4%, 72.5%
HSLhsl(223.7, 68.9%, 42.9%)
HSV / HSBhsv(223.7, 81.6%, 72.5%)
CMYK81.6%, 59.5%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,247,609
CSS custom property--colour: #224BB9;

Brightness & contrast

Relative luminance0.08875WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.57:1
Contrast with white7.57:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#4A4A4A
Inverted#DDB446

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BBDno red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#004DB7no green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#00677Ano blue cones; rare, and affects men and women equally; ΔE 63.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.57:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Royal blue · ΔE 12.6Slate blue · ΔE 13.6Dark slateblue · ΔE 20.5Rebecca purple · ΔE 21.6Medium slateblue · ΔE 21.7Midnight blue · ΔE 23.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B99022
Analogous#2296B9, #4422B9
Triadic#B9224B, #4BB922
Split complementary#B94522, #96B922
Tetradic#B92297, #B99022, #22B945

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6C6F1
Lighter +30%#8AA4EA
Lighter +20%#5F83E2
Lighter +10%#3461DA
Darker −10%#1A3A8E
Darker −20%#122863
Darker −30%#0A1738
Darker −40%#02050D
More saturated +25%#073ED4
Less saturated −25%#3D589E

Channel breakdown

R34
G75
B185
Red34 (13.3%)
Green75 (29.4%)
Blue185 (72.5%)
Hue223.71°
Saturation (HSL)68.95%
Lightness42.94%
Dominant channelBlue
Hex per channelR 22 · G 4B · B B9

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 “224bb9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.