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Recognised as Colour

#0044B4

  • #0044B4
  • Blue
  • Dark
  • Nearest: Royal blue

#0044B4 is a blue with RGB values 0, 68, 180 and HSL 217°, 100%, 35%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Royal blue.

Colour values

#0044B4#0044B4
HEX#0044B4
RGBrgb(0, 68, 180)
RGB (0–1)0, 0.2667, 0.7059
RGB percentages0%, 26.7%, 70.6%
HSLhsl(217.3, 100%, 35.3%)
HSV / HSBhsv(217.3, 100%, 70.6%)
CMYK100%, 62.2%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,588
CSS custom property--colour: #0044B4;

Brightness & contrast

Relative luminance0.0743WCAG 2.x, 0 is black and 1 is white
Perceived brightness80 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.45:1
Contrast with white8.45:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#FFBB4B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055B8no red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#0046B2no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#006275no blue cones; rare, and affects men and women equally; ΔE 64.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.45:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Royal blue · ΔE 15.3Slate blue · ΔE 16Dark slateblue · ΔE 22Rebecca purple · ΔE 22.2Midnight blue · ΔE 22.4Medium slateblue · ΔE 23.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 15.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B47000
Analogous#009EB4, #1600B4
Triadic#B40044, #44B400
Split complementary#B41600, #9EB400
Tetradic#B4009E, #B47000, #00B416

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#81B1FF
Lighter +30%#4E91FF
Lighter +20%#1B71FF
Lighter +10%#0057E7
Darker −10%#003181
Darker −20%#001D4E
Darker −30%#000A1B
Darker −40%#000000
More saturated +25%#0044B4
Less saturated −25%#17499E

Channel breakdown

R0
G68
B180
Red0 (0%)
Green68 (26.7%)
Blue180 (70.6%)
Hue217.33°
Saturation (HSL)100%
Lightness35.29%
Dominant channelBlue
Hex per channelR 00 · G 44 · B B4

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Every value on this page was computed from “0044b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.