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Recognised as Colour

#042BA2

  • #042BA2
  • Blue
  • Dark
  • Nearest: Navy

#042BA2 is a blue with RGB values 4, 43, 162 and HSL 225°, 95%, 33%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#042BA2#042BA2
HEX#042BA2
RGBrgb(4, 43, 162)
RGB (0–1)0.0157, 0.1686, 0.6353
RGB percentages1.6%, 16.9%, 63.5%
HSLhsl(225.2, 95.2%, 32.5%)
HSV / HSBhsv(225.2, 97.5%, 63.5%)
CMYK97.5%, 73.5%, 0%, 36.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer273,314
CSS custom property--colour: #042BA2;

Brightness & contrast

Relative luminance0.04362WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.22:1
Contrast with white11.22:1WCAG normal text: AAA
Contrast with black1.87:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FBD45D

Colour vision & accessibility

Protanopia#0042A6no red cones; affects about 1% of men; ΔE 17.1 from the original
Deuteranopia#0033A0no green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#004E64no blue cones; rare, and affects men and women equally; ΔE 69 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.22:1WCAG large text: AAA
Contrast with black, large text1.87:1WCAG large text: Fail

Named colours

Nearest named CSS colourNavy (#000080)ΔE 15.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#A27B04
Analogous#047AA2, #2C04A2
Triadic#A2042B, #2BA204
Split complementary#A22C04, #7AA204
Tetradic#A2047A, #A27B04, #04A22C

Tints, shades & saturation

Lighter +40%#7697FC
Lighter +30%#4571FA
Lighter +20%#134CF9
Lighter +10%#0538D4
Darker −10%#031E70
Darker −20%#02113E
Darker −30%#00030D
Darker −40%#000000
More saturated +25%#0029A6
Less saturated −25%#19368D

Channel breakdown

R4
G43
B162
Red4 (1.6%)
Green43 (16.9%)
Blue162 (63.5%)
Hue225.19°
Saturation (HSL)95.18%
Lightness32.55%
Dominant channelBlue
Hex per channelR 04 · G 2B · B A2

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Every value on this page was computed from “042ba2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.