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Recognised as Colour

#021643

  • #021643
  • Blue
  • Dark
  • Nearest: Midnight blue

#021643 is a blue with RGB values 2, 22, 67 and HSL 222°, 94%, 14%. It is a dark colour, so white text on it reaches 17.5:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#021643#021643
HEX#021643
RGBrgb(2, 22, 67)
RGB (0–1)0.0078, 0.0863, 0.2627
RGB percentages0.8%, 8.6%, 26.3%
HSLhsl(221.5, 94.2%, 13.5%)
HSV / HSBhsv(221.5, 97%, 26.3%)
CMYK97%, 67.2%, 0%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer136,771
CSS custom property--colour: #021643;

Brightness & contrast

Relative luminance0.00992WCAG 2.x, 0 is black and 1 is white
Perceived brightness28.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.52:1
Contrast with white17.52:1WCAG normal text: AAA
Contrast with black1.2:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#FDE9BC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001D45no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#001642no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#002229no blue cones; rare, and affects men and women equally; ΔE 31.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.52:1WCAG large text: AAA
Contrast with black, large text1.2:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 27.6Dark slateblue · ΔE 28Black · ΔE 34.4Rebecca purple · ΔE 41.8Dark slate grey · ΔE 42.8Indigo · ΔE 46.4
Nearest named CSS colourMidnight blue (#191970)ΔE 27.57, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#432F02
Analogous#023643, #0F0243
Triadic#430216, #164302
Split complementary#430F02, #364302
Tetradic#430236, #432F02, #02430F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#195EF8
Lighter +30%#0647D8
Lighter +20%#0537A6
Lighter +10%#032675
Darker −10%#010611
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001545
Less saturated −25%#0B193A

Channel breakdown

R2
G22
B67
Red2 (0.8%)
Green22 (8.6%)
Blue67 (26.3%)
Hue221.54°
Saturation (HSL)94.2%
Lightness13.53%
Dominant channelBlue
Hex per channelR 02 · G 16 · B 43

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Every value on this page was computed from “hex 021643” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.