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Colour

#16233D

  • #16233D
  • Blue
  • Dark
  • Nearest: Black

#16233D is a blue with RGB values 22, 35, 61 and HSL 220°, 47%, 16%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#16233D#16233D
HEX#16233D
RGBrgb(22, 35, 61)
RGB (0–1)0.0863, 0.1373, 0.2392
RGB percentages8.6%, 13.7%, 23.9%
HSLhsl(220, 47%, 16.3%)
HSV / HSBhsv(220, 63.9%, 23.9%)
CMYK63.9%, 42.6%, 0%, 76.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,450,813
CSS custom property--colour: #16233D;

Brightness & contrast

Relative luminance0.0171WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.65:1
Contrast with white15.65:1WCAG normal text: AAA
Contrast with black1.34:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#E9DCC2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#18253Eno red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#14223Cno green cones; the most common form, about 1% of men; ΔE 0.6 from the original
Tritanopia#01292Dno blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text15.65:1WCAG large text: AAA
Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 23.4Dark slate grey · ΔE 27.5Dim grey · ΔE 35.8Dark slateblue · ΔE 36.6Slate grey · ΔE 40.2Steel blue · ΔE 41.7
Nearest named CSS colourBlack (#000000)ΔE 23.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#3D3016
Analogous#16373D, #1D163D
Triadic#3D1623, #233D16
Split complementary#3D1C16, #363D16
Tetradic#3D1636, #3D3016, #163D1C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5B7EC4
Lighter +30%#3F64AD
Lighter +20%#314E88
Lighter +10%#243962
Darker −10%#080D18
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C2047
Less saturated −25%#202633

Channel breakdown

R22
G35
B61
Red22 (8.6%)
Green35 (13.7%)
Blue61 (23.9%)
Hue220°
Saturation (HSL)46.99%
Lightness16.27%
Dominant channelBlue
Hex per channelR 16 · G 23 · B 3D

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Every value on this page was computed from “16233d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.