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Colour

#04082B

  • #04082B
  • Blue
  • Dark
  • Nearest: Black

#04082B is a blue with RGB values 4, 8, 43 and HSL 234°, 83%, 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

#04082B#04082B
HEX#04082B
RGBrgb(4, 8, 43)
RGB (0–1)0.0157, 0.0314, 0.1686
RGB percentages1.6%, 3.1%, 16.9%
HSLhsl(233.8, 83%, 9.2%)
HSV / HSBhsv(233.8, 90.7%, 16.9%)
CMYK90.7%, 81.4%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer264,235
CSS custom property--colour: #04082B;

Brightness & contrast

Relative luminance0.00374WCAG 2.x, 0 is black and 1 is white
Perceived brightness15.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.54:1
Contrast with white19.54:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#FBF7D4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#000E2Cno red cones; affects about 1% of men; ΔE 3.5 from the original
Deuteranopia#000A2Ano green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#001118no blue cones; rare, and affects men and women equally; ΔE 20.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.54:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 24.1Midnight blue · ΔE 37.8Dark slateblue · ΔE 38Dark slate grey · ΔE 39.2Dim grey · ΔE 47.5Rebecca purple · ΔE 51.5
Nearest named CSS colourBlack (#000000)ΔE 24.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B2704
Analogous#041C2B, #13042B
Triadic#2B0408, #082B04
Split complementary#2B1304, #1C2B04
Tetradic#2B041C, #2B2704, #042B13

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#152BE6
Lighter +30%#1122B7
Lighter +20%#0D1988
Lighter +10%#08115A
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00052F
Less saturated −25%#0A0D25

Channel breakdown

R4
G8
B43
Red4 (1.6%)
Green8 (3.1%)
Blue43 (16.9%)
Hue233.85°
Saturation (HSL)82.98%
Lightness9.22%
Dominant channelBlue
Hex per channelR 04 · G 08 · B 2B

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Every value on this page was computed from “04082b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.