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Colour

#04122B

  • #04122B
  • Blue
  • Dark
  • Nearest: Black

#04122B is a blue with RGB values 4, 18, 43 and HSL 218°, 83%, 9%. It is a dark colour, so white text on it reaches 18.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04122B#04122B
HEX#04122B
RGBrgb(4, 18, 43)
RGB (0–1)0.0157, 0.0706, 0.1686
RGB percentages1.6%, 7.1%, 16.9%
HSLhsl(218.5, 83%, 9.2%)
HSV / HSBhsv(218.5, 90.7%, 16.9%)
CMYK90.7%, 58.1%, 0%, 83.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer266,795
CSS custom property--colour: #04122B;

Brightness & contrast

Relative luminance0.00633WCAG 2.x, 0 is black and 1 is white
Perceived brightness20.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.64:1
Contrast with white18.64:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FBEDD4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#05152Cno red cones; affects about 1% of men; ΔE 1.8 from the original
Deuteranopia#00112Ano green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#00181Cno blue cones; rare, and affects men and women equally; ΔE 16.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.64:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 19.7Dark slate grey · ΔE 33.5Dark slateblue · ΔE 40.9Midnight blue · ΔE 42.8Dim grey · ΔE 43Slate grey · ΔE 48.2
Nearest named CSS colourBlack (#000000)ΔE 19.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2B1D04
Analogous#04262B, #09042B
Triadic#2B0412, #122B04
Split complementary#2B0904, #262B04
Tetradic#2B0426, #2B1D04, #042B09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1560E6
Lighter +30%#114DB7
Lighter +20%#0D3988
Lighter +10%#08265A
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00112F
Less saturated −25%#0A1425

Channel breakdown

R4
G18
B43
Red4 (1.6%)
Green18 (7.1%)
Blue43 (16.9%)
Hue218.46°
Saturation (HSL)82.98%
Lightness9.22%
Dominant channelBlue
Hex per channelR 04 · G 12 · B 2B

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Every value on this page was computed from “04122b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.