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Recognised as Colour

#22203A

  • #22203A
  • Blue
  • Dark
  • Nearest: Black

#22203A is a blue with RGB values 34, 32, 58 and HSL 245°, 29%, 18%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#22203A#22203A
HEX#22203A
RGBrgb(34, 32, 58)
RGB (0–1)0.1333, 0.1255, 0.2275
RGB percentages13.3%, 12.5%, 22.7%
HSLhsl(244.6, 28.9%, 17.6%)
HSV / HSBhsv(244.6, 44.8%, 22.7%)
CMYK41.4%, 44.8%, 0%, 77.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,236,474
CSS custom property--colour: #22203A;

Brightness & contrast

Relative luminance0.01679WCAG 2.x, 0 is black and 1 is white
Perceived brightness36.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.72:1
Contrast with white15.72:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#DDDFC5

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#18243Bno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#172239no green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#1C252Ano blue cones; rare, and affects men and women equally; ΔE 16.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.72:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 23.1Dark slate grey · ΔE 29.7Dark slateblue · ΔE 35.4Dim grey · ΔE 35.9Midnight blue · ΔE 40.4Slate grey · ΔE 41
Nearest named CSS colourBlack (#000000)ΔE 23.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#383A20
Analogous#202B3A, #2F203A
Triadic#3A2220, #203A22
Split complementary#3A2F20, #2B3A20
Tetradic#3A202B, #383A20, #203A2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7974B2
Lighter +30%#5C569D
Lighter +20%#49447C
Lighter +10%#35325B
Darker −10%#0F0E19
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#181545
Less saturated −25%#2C2B2F

Channel breakdown

R34
G32
B58
Red34 (13.3%)
Green32 (12.5%)
Blue58 (22.7%)
Hue244.62°
Saturation (HSL)28.89%
Lightness17.65%
Dominant channelBlue
Hex per channelR 22 · G 20 · B 3A

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Every value on this page was computed from “22203a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.