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Recognised as Colour

#04166E

  • #04166E
  • Blue
  • Dark
  • Nearest: Midnight blue

#04166E is a blue with RGB values 4, 22, 110 and HSL 230°, 93%, 22%. It is a dark colour, so white text on it reaches 15.6:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#04166E#04166E
HEX#04166E
RGBrgb(4, 22, 110)
RGB (0–1)0.0157, 0.0863, 0.4314
RGB percentages1.6%, 8.6%, 43.1%
HSLhsl(229.8, 93%, 22.4%)
HSV / HSBhsv(229.8, 96.4%, 43.1%)
CMYK96.4%, 80%, 0%, 56.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer267,886
CSS custom property--colour: #04166E;

Brightness & contrast

Relative luminance0.01725WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.61:1
Contrast with white15.61:1WCAG normal text: AAA
Contrast with black1.35:1WCAG normal text: Fail
Greyscale equivalent#191919
Inverted#FBE991

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002971no red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#001E6Cno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#003141no blue cones; rare, and affects men and women equally; ΔE 54.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.61:1WCAG large text: AAA
Contrast with black, large text1.35:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 2.7Dark slateblue · ΔE 20Navy · ΔE 20.9Indigo · ΔE 21.4Rebecca purple · ΔE 22.5Dark blue · ΔE 25.7
Nearest named CSS colourMidnight blue (#191970)ΔE 2.66, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6E5C04
Analogous#044B6E, #27046E
Triadic#6E0416, #166E04
Split complementary#6E2704, #4B6E04
Tetradic#6E044B, #6E5C04, #046E27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4664F8
Lighter +30%#153BF6
Lighter +20%#082AD0
Lighter +10%#06209F
Darker −10%#020C3D
Darker −20%#00020C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001372
Less saturated −25%#121F60

Channel breakdown

R4
G22
B110
Red4 (1.6%)
Green22 (8.6%)
Blue110 (43.1%)
Hue229.81°
Saturation (HSL)92.98%
Lightness22.35%
Dominant channelBlue
Hex per channelR 04 · G 16 · B 6E

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Every value on this page was computed from “04166e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.