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Recognised as Colour

#043897

  • #043897
  • Blue
  • Dark
  • Nearest: Dark slateblue

#043897 is a blue with RGB values 4, 56, 151 and HSL 219°, 95%, 30%. It is a dark colour, so white text on it reaches 10.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#043897#043897
HEX#043897
RGBrgb(4, 56, 151)
RGB (0–1)0.0157, 0.2196, 0.5922
RGB percentages1.6%, 22%, 59.2%
HSLhsl(218.8, 94.8%, 30.4%)
HSV / HSBhsv(218.8, 97.4%, 59.2%)
CMYK97.4%, 62.9%, 0%, 40.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer276,631
CSS custom property--colour: #043897;

Brightness & contrast

Relative luminance0.05089WCAG 2.x, 0 is black and 1 is white
Perceived brightness66.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.41:1
Contrast with white10.41:1WCAG normal text: AAA
Contrast with black2.02:1WCAG normal text: Fail
Greyscale equivalent#343434
Inverted#FBC768

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00469Ano red cones; affects about 1% of men; ΔE 10.8 from the original
Deuteranopia#003995no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#005162no blue cones; rare, and affects men and women equally; ΔE 56.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.41:1WCAG large text: AAA
Contrast with black, large text2.02:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.4Midnight blue · ΔE 14.5Rebecca purple · ΔE 20.9Slate blue · ΔE 21.6Royal blue · ΔE 22.9Indigo · ΔE 27.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#976304
Analogous#048197, #1A0497
Triadic#970438, #389704
Split complementary#971A04, #829704
Tetradic#970481, #976304, #04971A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6C9FFB
Lighter +30%#3A7EFA
Lighter +20%#095DF8
Lighter +10%#054AC9
Darker −10%#032665
Darker −20%#011334
Darker −30%#000102
Darker −40%#000000
More saturated +25%#00379B
Less saturated −25%#173E84

Channel breakdown

R4
G56
B151
Red4 (1.6%)
Green56 (22%)
Blue151 (59.2%)
Hue218.78°
Saturation (HSL)94.84%
Lightness30.39%
Dominant channelBlue
Hex per channelR 04 · G 38 · B 97

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Every value on this page was computed from “hex 043897” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.