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Recognised as Colour

#04122F

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

#04122F is a blue with RGB values 4, 18, 47 and HSL 220°, 84%, 10%. It is a dark colour, so white text on it reaches 18.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04122F#04122F
HEX#04122F
RGBrgb(4, 18, 47)
RGB (0–1)0.0157, 0.0706, 0.1843
RGB percentages1.6%, 7.1%, 18.4%
HSLhsl(220.5, 84.3%, 10%)
HSV / HSBhsv(220.5, 91.5%, 18.4%)
CMYK91.5%, 61.7%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer266,799
CSS custom property--colour: #04122F;

Brightness & contrast

Relative luminance0.00664WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.54:1
Contrast with white18.54:1WCAG normal text: AAA
Contrast with black1.13:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FBEDD0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#021530no red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#00112Eno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#00191Eno blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.54:1WCAG large text: AAA
Contrast with black, large text1.13:1WCAG large text: Fail

Named colours

Black · ΔE 22.6Dark slate grey · ΔE 35.4Dark slateblue · ΔE 38.2Midnight blue · ΔE 39.7Dim grey · ΔE 44.2Slate grey · ΔE 48.7
Nearest named CSS colourBlack (#000000)ΔE 22.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#2F2104
Analogous#04272F, #0C042F
Triadic#2F0412, #122F04
Split complementary#2F0C04, #282F04
Tetradic#2F0427, #2F2104, #042F0C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#145AEB
Lighter +30%#1048BC
Lighter +20%#0C368D
Lighter +10%#08245E
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#001133
Less saturated −25%#0A1429

Channel breakdown

R4
G18
B47
Red4 (1.6%)
Green18 (7.1%)
Blue47 (18.4%)
Hue220.47°
Saturation (HSL)84.31%
Lightness10%
Dominant channelBlue
Hex per channelR 04 · G 12 · B 2F

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