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Colour

#222B72

  • #222B72
  • Blue
  • Dark
  • Nearest: Dark slateblue

#222B72 is a blue with RGB values 34, 43, 114 and HSL 233°, 54%, 29%. It is a dark colour, so white text on it reaches 12.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#222B72#222B72
HEX#222B72
RGBrgb(34, 43, 114)
RGB (0–1)0.1333, 0.1686, 0.4471
RGB percentages13.3%, 16.9%, 44.7%
HSLhsl(233.3, 54.1%, 29%)
HSV / HSBhsv(233.3, 70.2%, 44.7%)
CMYK70.2%, 62.3%, 0%, 55.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,239,346
CSS custom property--colour: #222B72;

Brightness & contrast

Relative luminance0.03283WCAG 2.x, 0 is black and 1 is white
Perceived brightness54 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.68:1
Contrast with white12.68:1WCAG normal text: AAA
Contrast with black1.66:1WCAG normal text: Fail
Greyscale equivalent#2E2E2E
Inverted#DDD48D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003674no red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#002F71no green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#003D4Ano blue cones; rare, and affects men and women equally; ΔE 44.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.68:1WCAG large text: AAA
Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.7Midnight blue · ΔE 13.6Rebecca purple · ΔE 24.8Indigo · ΔE 32.1Slate blue · ΔE 32.2Navy · ΔE 35.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.67, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#726922
Analogous#225372, #412272
Triadic#72222B, #2B7222
Split complementary#724122, #537222
Tetradic#722253, #726922, #227241

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#858FDB
Lighter +30%#5E6BCF
Lighter +20%#3949C1
Lighter +10%#2E3A99
Darker −10%#161C4B
Darker −20%#0B0D23
Darker −30%#000000
Darker −40%#000000
More saturated +25%#101D85
Less saturated −25%#353960

Channel breakdown

R34
G43
B114
Red34 (13.3%)
Green43 (16.9%)
Blue114 (44.7%)
Hue233.25°
Saturation (HSL)54.05%
Lightness29.02%
Dominant channelBlue
Hex per channelR 22 · G 2B · B 72

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Every value on this page was computed from “222b72” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.