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Recognised as Colour

#04439A

  • #04439A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#04439A is a blue with RGB values 4, 67, 154 and HSL 215°, 95%, 31%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#04439A#04439A
HEX#04439A
RGBrgb(4, 67, 154)
RGB (0–1)0.0157, 0.2627, 0.6039
RGB percentages1.6%, 26.3%, 60.4%
HSLhsl(214.8, 94.9%, 31%)
HSV / HSBhsv(214.8, 97.4%, 60.4%)
CMYK97.4%, 56.5%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer279,450
CSS custom property--colour: #04439A;

Brightness & contrast

Relative luminance0.06373WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.23:1
Contrast with white9.23:1WCAG normal text: AAA
Contrast with black2.27:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#FBBC65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004E9Dno red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#004198no green cones; the most common form, about 1% of men; ΔE 0.9 from the original
Tritanopia#005967no blue cones; rare, and affects men and women equally; ΔE 52 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.23:1WCAG large text: AAA
Contrast with black, large text2.27:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 12.7Midnight blue · ΔE 19.9Royal blue · ΔE 23.2Slate blue · ΔE 23.8Rebecca purple · ΔE 25.2Medium purple · ΔE 30.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 12.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A5B04
Analogous#048E9A, #10049A
Triadic#9A0443, #439A04
Split complementary#9A1004, #8E9A04
Tetradic#9A048E, #9A5B04, #049A10

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6FAAFB
Lighter +30%#3D8CFA
Lighter +20%#0B6FF9
Lighter +10%#0559CC
Darker −10%#032D68
Darker −20%#011837
Darker −30%#000205
Darker −40%#000000
More saturated +25%#00429E
Less saturated −25%#184686

Channel breakdown

R4
G67
B154
Red4 (1.6%)
Green67 (26.3%)
Blue154 (60.4%)
Hue214.8°
Saturation (HSL)94.94%
Lightness30.98%
Dominant channelBlue
Hex per channelR 04 · G 43 · B 9A

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Every value on this page was computed from “04439a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.