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Recognised as Colour

#040316

  • #040316
  • Blue
  • Dark
  • Nearest: Black

#040316 is a blue with RGB values 4, 3, 22 and HSL 243°, 76%, 5%. It is a dark colour, so white text on it reaches 20.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040316#040316
HEX#040316
RGBrgb(4, 3, 22)
RGB (0–1)0.0157, 0.0118, 0.0863
RGB percentages1.6%, 1.2%, 8.6%
HSLhsl(243.2, 76%, 4.9%)
HSV / HSBhsv(243.2, 86.4%, 8.6%)
CMYK81.8%, 86.4%, 0%, 91.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer262,934
CSS custom property--colour: #040316;

Brightness & contrast

Relative luminance0.00149WCAG 2.x, 0 is black and 1 is white
Perceived brightness8.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 20.39:1
Contrast with white20.39:1WCAG normal text: AAA
Contrast with black1.03:1WCAG normal text: Fail
Greyscale equivalent#050505
Inverted#FBFCE9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000517no red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#000416no green cones; the most common form, about 1% of men; ΔE 1.4 from the original
Tritanopia#00060Ano blue cones; rare, and affects men and women equally; ΔE 8.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text20.39:1WCAG large text: AAA
Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 9.6Dark slate grey · ΔE 33.9Dim grey · ΔE 44.1Dark slateblue · ΔE 49.9Midnight blue · ΔE 51.7Slate grey · ΔE 51.8
Nearest named CSS colourBlack (#000000)ΔE 9.55, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#151603
Analogous#030C16, #0D0316
Triadic#160403, #031604
Split complementary#160D03, #0C1603
Tetradic#16030C, #151603, #03160D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#251BCA
Lighter +30%#1C159D
Lighter +20%#140F70
Lighter +10%#0C0943
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010019
Less saturated −25%#070613

Channel breakdown

R4
G3
B22
Red4 (1.6%)
Green3 (1.2%)
Blue22 (8.6%)
Hue243.16°
Saturation (HSL)76%
Lightness4.9%
Dominant channelBlue
Hex per channelR 04 · G 03 · B 16

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Every value on this page was computed from “hex 040316” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.