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Colour

#0043D4

  • #0043D4
  • Blue
  • Dark
  • Nearest: Medium slateblue

#0043D4 is a blue with RGB values 0, 67, 212 and HSL 221°, 100%, 42%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Medium slateblue.

Colour values

#0043D4#0043D4
HEX#0043D4
RGBrgb(0, 67, 212)
RGB (0–1)0, 0.2627, 0.8314
RGB percentages0%, 26.3%, 83.1%
HSLhsl(221, 100%, 41.6%)
HSV / HSBhsv(221, 100%, 83.1%)
CMYK100%, 68.4%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,364
CSS custom property--colour: #0043D4;

Brightness & contrast

Relative luminance0.08768WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.63:1
Contrast with white7.63:1WCAG normal text: AAA
Contrast with black2.75:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#FFBC2B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DD8no red cones; affects about 1% of men; ΔE 19.1 from the original
Deuteranopia#004AD1no green cones; the most common form, about 1% of men; ΔE 7 from the original
Tritanopia#006C86no blue cones; rare, and affects men and women equally; ΔE 80.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.63:1WCAG large text: AAA
Contrast with black, large text2.75:1WCAG large text: Fail

Named colours

Medium slateblue · ΔE 20.9Slate blue · ΔE 23.1Royal blue · ΔE 23.2Dark blue · ΔE 24.6Navy · ΔE 26.9Blue violet · ΔE 29.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 20.88, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D49100
Analogous#00ADD4, #2700D4
Triadic#D40043, #43D400
Split complementary#D42700, #ADD400
Tetradic#D400AD, #D49100, #00D427

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1BFFF
Lighter +30%#6E9CFF
Lighter +20%#3B79FF
Lighter +10%#0856FF
Darker −10%#0033A1
Darker −20%#00236E
Darker −30%#00133B
Darker −40%#000308
More saturated +25%#0043D4
Less saturated −25%#1B4DBA

Channel breakdown

R0
G67
B212
Red0 (0%)
Green67 (26.3%)
Blue212 (83.1%)
Hue221.04°
Saturation (HSL)100%
Lightness41.57%
Dominant channelBlue
Hex per channelR 00 · G 43 · B D4

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Every value on this page was computed from “0043d4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.