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Recognised as Colour

#04338D

  • #04338D
  • Blue
  • Dark
  • Nearest: Midnight blue

#04338D is a blue with RGB values 4, 51, 141 and HSL 219°, 94%, 28%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#04338D#04338D
HEX#04338D
RGBrgb(4, 51, 141)
RGB (0–1)0.0157, 0.2, 0.5529
RGB percentages1.6%, 20%, 55.3%
HSLhsl(219.4, 94.5%, 28.4%)
HSV / HSBhsv(219.4, 97.2%, 55.3%)
CMYK97.2%, 63.8%, 0%, 44.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer275,341
CSS custom property--colour: #04338D;

Brightness & contrast

Relative luminance0.04317WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.27:1
Contrast with white11.27:1WCAG normal text: AAA
Contrast with black1.86:1WCAG normal text: Fail
Greyscale equivalent#303030
Inverted#FBCC72

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004190no red cones; affects about 1% of men; ΔE 11 from the original
Deuteranopia#00358Bno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#004B5Bno blue cones; rare, and affects men and women equally; ΔE 54.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.27:1WCAG large text: AAA
Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 12.3Dark slateblue · ΔE 13.1Rebecca purple · ΔE 21.4Slate blue · ΔE 24.2Royal blue · ΔE 26.1Indigo · ΔE 27.9
Nearest named CSS colourMidnight blue (#191970)ΔE 12.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8D5E04
Analogous#04788D, #19048D
Triadic#8D0433, #338D04
Split complementary#8D1A04, #788D04
Tetradic#8D0478, #8D5E04, #048D19

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6297FB
Lighter +30%#3176F9
Lighter +20%#0757F0
Lighter +10%#0545BF
Darker −10%#03215B
Darker −20%#010F2A
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003291
Less saturated −25%#16397B

Channel breakdown

R4
G51
B141
Red4 (1.6%)
Green51 (20%)
Blue141 (55.3%)
Hue219.42°
Saturation (HSL)94.48%
Lightness28.43%
Dominant channelBlue
Hex per channelR 04 · G 33 · B 8D

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Every value on this page was computed from “04338d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.