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Recognised as Colour

#02204B

  • #02204B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#02204B is a blue with RGB values 2, 32, 75 and HSL 215°, 95%, 15%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#02204B#02204B
HEX#02204B
RGBrgb(2, 32, 75)
RGB (0–1)0.0078, 0.1255, 0.2941
RGB percentages0.8%, 12.5%, 29.4%
HSLhsl(215.3, 94.8%, 15.1%)
HSV / HSBhsv(215.3, 97.3%, 29.4%)
CMYK97.3%, 57.3%, 0%, 70.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer139,339
CSS custom property--colour: #02204B;

Brightness & contrast

Relative luminance0.01554WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.02:1
Contrast with white16.02:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#FDDFB4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#03254Dno red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#001E4Ano green cones; the most common form, about 1% of men; ΔE 1.3 from the original
Tritanopia#002B32no blue cones; rare, and affects men and women equally; ΔE 29.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.02:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 27.8Midnight blue · ΔE 30.5Black · ΔE 33.5Dark slate grey · ΔE 37.8Steel blue · ΔE 41.6Rebecca purple · ΔE 43.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 27.78, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#4B2D02
Analogous#02454B, #09024B
Triadic#4B0220, #204B02
Split complementary#4B0902, #444B02
Tetradic#4B0245, #4B2D02, #024B09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2079F9
Lighter +30%#0660E0
Lighter +20%#054AAE
Lighter +10%#03357D
Darker −10%#010B19
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00204D
Less saturated −25%#0C2241

Channel breakdown

R2
G32
B75
Red2 (0.8%)
Green32 (12.5%)
Blue75 (29.4%)
Hue215.34°
Saturation (HSL)94.81%
Lightness15.1%
Dominant channelBlue
Hex per channelR 02 · G 20 · B 4B

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Every value on this page was computed from “02204b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.