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Recognised as Colour

#021B69

  • #021B69
  • Blue
  • Dark
  • Nearest: Midnight blue

#021B69 is a blue with RGB values 2, 27, 105 and HSL 225°, 96%, 21%. It is a dark colour, so white text on it reaches 15.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#021B69#021B69
HEX#021B69
RGBrgb(2, 27, 105)
RGB (0–1)0.0078, 0.1059, 0.4118
RGB percentages0.8%, 10.6%, 41.2%
HSLhsl(225.4, 96.3%, 21%)
HSV / HSBhsv(225.4, 98.1%, 41.2%)
CMYK98.1%, 74.3%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer138,089
CSS custom property--colour: #021B69;

Brightness & contrast

Relative luminance0.01817WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.4:1
Contrast with white15.4:1WCAG normal text: AAA
Contrast with black1.36:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#FDE496

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002A6Bno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#002068no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#003140no blue cones; rare, and affects men and women equally; ΔE 48.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.4:1WCAG large text: AAA
Contrast with black, large text1.36:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 6.3Dark slateblue · ΔE 17.1Rebecca purple · ΔE 25Indigo · ΔE 27.1Navy · ΔE 27.7Dark blue · ΔE 32.5
Nearest named CSS colourMidnight blue (#191970)ΔE 6.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#695002
Analogous#024E69, #1D0269
Triadic#69021B, #1B6902
Split complementary#691D02, #4E6902
Tetradic#69024E, #695002, #02691D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3C6AFB
Lighter +30%#0A44FA
Lighter +20%#0435CD
Lighter +10%#03289B
Darker −10%#010E37
Darker −20%#000105
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001A6B
Less saturated −25%#0F225C

Channel breakdown

R2
G27
B105
Red2 (0.8%)
Green27 (10.6%)
Blue105 (41.2%)
Hue225.44°
Saturation (HSL)96.26%
Lightness20.98%
Dominant channelBlue
Hex per channelR 02 · G 1B · B 69

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Every value on this page was computed from “021b69” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.