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Colour

#222F50

  • #222F50
  • Blue
  • Dark
  • Nearest: Dark slate grey

#222F50 is a blue with RGB values 34, 47, 80 and HSL 223°, 40%, 22%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#222F50#222F50
HEX#222F50
RGBrgb(34, 47, 80)
RGB (0–1)0.1333, 0.1843, 0.3137
RGB percentages13.3%, 18.4%, 31.4%
HSLhsl(223, 40.4%, 22.4%)
HSV / HSBhsv(223, 57.5%, 31.4%)
CMYK57.5%, 41.3%, 0%, 68.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,240,336
CSS custom property--colour: #222F50;

Brightness & contrast

Relative luminance0.02952WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.2:1
Contrast with white13.2:1WCAG normal text: AAA
Contrast with black1.59:1WCAG normal text: Fail
Greyscale equivalent#2F2F2F
Inverted#DDD0AF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#223251no red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#1D2E4Fno green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#0C363Bno blue cones; rare, and affects men and women equally; ΔE 23 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.2:1WCAG large text: AAA
Contrast with black, large text1.59:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 27.6Black · ΔE 30.1Dark slateblue · ΔE 30.7Dim grey · ΔE 33.4Steel blue · ΔE 35.5Slate grey · ΔE 35.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 27.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#504322
Analogous#224650, #2C2250
Triadic#50222F, #2F5022
Split complementary#502C22, #465022
Tetradic#502246, #504322, #22502C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#788EC6
Lighter +30%#5470B7
Lighter +20%#405998
Lighter +10%#314474
Darker −10%#131A2C
Darker −20%#040508
Darker −30%#000000
Darker −40%#000000
More saturated +25%#14295E
Less saturated −25%#303542

Channel breakdown

R34
G47
B80
Red34 (13.3%)
Green47 (18.4%)
Blue80 (31.4%)
Hue223.04°
Saturation (HSL)40.35%
Lightness22.35%
Dominant channelBlue
Hex per channelR 22 · G 2F · B 50

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Every value on this page was computed from “222f50” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.