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Colour

#0023A6

  • #0023A6
  • Blue
  • Dark
  • Nearest: Dark blue

#0023A6 is a blue with RGB values 0, 35, 166 and HSL 227°, 100%, 33%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0023A6#0023A6
HEX#0023A6
RGBrgb(0, 35, 166)
RGB (0–1)0, 0.1373, 0.651
RGB percentages0%, 13.7%, 65.1%
HSLhsl(227.3, 100%, 32.5%)
HSV / HSBhsv(227.3, 100%, 65.1%)
CMYK100%, 78.9%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer9,126
CSS custom property--colour: #0023A6;

Brightness & contrast

Relative luminance0.03955WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.72:1
Contrast with white11.72:1WCAG normal text: AAA
Contrast with black1.79:1WCAG normal text: Fail
Greyscale equivalent#252525
Inverted#FFDC59

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0040AAno red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#0030A4no green cones; the most common form, about 1% of men; ΔE 10.6 from the original
Tritanopia#004C64no blue cones; rare, and affects men and women equally; ΔE 75.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.72:1WCAG large text: AAA
Contrast with black, large text1.79:1WCAG large text: Fail

Named colours

Dark blue · ΔE 11.1Navy · ΔE 12.7Indigo · ΔE 19.3Rebecca purple · ΔE 25.4Midnight blue · ΔE 25.6Slate blue · ΔE 26.6
Nearest named CSS colourDark blue (#00008B)ΔE 11.09, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A68300
Analogous#0076A6, #3000A6
Triadic#A60023, #23A600
Split complementary#A63000, #76A600
Tetradic#A60076, #A68300, #00A630

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7391FF
Lighter +30%#4068FF
Lighter +20%#0D40FF
Lighter +10%#002ED9
Darker −10%#001873
Darker −20%#000D40
Darker −30%#00030D
Darker −40%#000000
More saturated +25%#0023A6
Less saturated −25%#152F91

Channel breakdown

R0
G35
B166
Red0 (0%)
Green35 (13.7%)
Blue166 (65.1%)
Hue227.35°
Saturation (HSL)100%
Lightness32.55%
Dominant channelBlue
Hex per channelR 00 · G 23 · B A6

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Every value on this page was computed from “0023a6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.