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Recognised as Colour

#033CB2

  • #033CB2
  • Blue
  • Dark
  • Nearest: Slate blue

#033CB2 is a blue with RGB values 3, 60, 178 and HSL 220°, 97%, 35%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#033CB2#033CB2
HEX#033CB2
RGBrgb(3, 60, 178)
RGB (0–1)0.0118, 0.2353, 0.698
RGB percentages1.2%, 23.5%, 69.8%
HSLhsl(220.5, 96.7%, 35.5%)
HSV / HSBhsv(220.5, 98.3%, 69.8%)
CMYK98.3%, 66.3%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer212,146
CSS custom property--colour: #033CB2;

Brightness & contrast

Relative luminance0.06465WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.16:1
Contrast with white9.16:1WCAG normal text: AAA
Contrast with black2.29:1WCAG normal text: Fail
Greyscale equivalent#383838
Inverted#FCC34D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050B6no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#0040B0no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#005C71no blue cones; rare, and affects men and women equally; ΔE 67.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.16:1WCAG large text: AAA
Contrast with black, large text2.29:1WCAG large text: Fail

Named colours

Slate blue · ΔE 17.4Royal blue · ΔE 18.5Rebecca purple · ΔE 21.7Midnight blue · ΔE 22.3Navy · ΔE 22.9Medium slateblue · ΔE 23.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 17.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B27903
Analogous#0394B2, #2103B2
Triadic#B2033C, #3CB203
Split complementary#B22103, #94B203
Tetradic#B20394, #B27903, #03B221

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#84ABFD
Lighter +30%#5289FC
Lighter +20%#2067FB
Lighter +10%#044DE4
Darker −10%#022B80
Darker −20%#011A4E
Darker −30%#00091C
Darker −40%#000000
More saturated +25%#003BB5
Less saturated −25%#1A449B

Channel breakdown

R3
G60
B178
Red3 (1.2%)
Green60 (23.5%)
Blue178 (69.8%)
Hue220.46°
Saturation (HSL)96.69%
Lightness35.49%
Dominant channelBlue
Hex per channelR 03 · G 3C · B B2

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Every value on this page was computed from “033cb2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.