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Recognised as Colour

#040929

  • #040929
  • Blue
  • Dark
  • Nearest: Black

#040929 is a blue with RGB values 4, 9, 41 and HSL 232°, 82%, 9%. It is a dark colour, so white text on it reaches 19.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040929#040929
HEX#040929
RGBrgb(4, 9, 41)
RGB (0–1)0.0157, 0.0353, 0.1608
RGB percentages1.6%, 3.5%, 16.1%
HSLhsl(231.9, 82.2%, 8.8%)
HSV / HSBhsv(231.9, 90.2%, 16.1%)
CMYK90.2%, 78%, 0%, 83.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer264,489
CSS custom property--colour: #040929;

Brightness & contrast

Relative luminance0.00381WCAG 2.x, 0 is black and 1 is white
Perceived brightness15.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.51:1
Contrast with white19.51:1WCAG normal text: AAA
Contrast with black1.08:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#FBF6D6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000E2Ano red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#000B28no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#001117no blue cones; rare, and affects men and women equally; ΔE 18.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.51:1WCAG large text: AAA
Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 22.1Dark slate grey · ΔE 37.8Dark slateblue · ΔE 39.5Midnight blue · ΔE 39.8Dim grey · ΔE 46.4Slate grey · ΔE 51.3
Nearest named CSS colourBlack (#000000)ΔE 22.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#292404
Analogous#041C29, #120429
Triadic#290409, #092904
Split complementary#291104, #1C2904
Tetradic#29041C, #292404, #042911

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1632E3
Lighter +30%#1228B4
Lighter +20%#0D1D86
Lighter +10%#091357
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00062D
Less saturated −25%#0A0D23

Channel breakdown

R4
G9
B41
Red4 (1.6%)
Green9 (3.5%)
Blue41 (16.1%)
Hue231.89°
Saturation (HSL)82.22%
Lightness8.82%
Dominant channelBlue
Hex per channelR 04 · G 09 · B 29

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Every value on this page was computed from “hex 040929” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.