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Recognised as Colour

#040C11

  • #040C11
  • Blue
  • Dark
  • Nearest: Black

#040C11 is a blue with RGB values 4, 12, 17 and HSL 203°, 62%, 4%. It is a dark colour, so white text on it reaches 19.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040C11#040C11
HEX#040C11
RGBrgb(4, 12, 17)
RGB (0–1)0.0157, 0.0471, 0.0667
RGB percentages1.6%, 4.7%, 6.7%
HSLhsl(203.1, 61.9%, 4.1%)
HSV / HSBhsv(203.1, 76.5%, 6.7%)
CMYK76.5%, 29.4%, 0%, 93.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer265,233
CSS custom property--colour: #040C11;

Brightness & contrast

Relative luminance0.00329WCAG 2.x, 0 is black and 1 is white
Perceived brightness11.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.7:1
Contrast with white19.7:1WCAG normal text: AAA
Contrast with black1.07:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#FBF3EE

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A0C11no red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#080A11no green cones; the most common form, about 1% of men; ΔE 1.9 from the original
Tritanopia#010D0Eno blue cones; rare, and affects men and women equally; ΔE 2.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.7:1WCAG large text: AAA
Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 4.5Dark slate grey · ΔE 30.2Dim grey · ΔE 41.6Slate grey · ΔE 50.4Gray · ΔE 50.7Teal · ΔE 53.3
Nearest named CSS colourBlack (#000000)ΔE 4.51, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#110904
Analogous#04110F, #040611
Triadic#11040C, #0C1104
Split complementary#110406, #110F04
Tetradic#0F0411, #110904, #061104

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#2B81B6
Lighter +30%#21638D
Lighter +20%#174664
Lighter +10%#0E293A
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#010D14
Less saturated −25%#070B0E

Channel breakdown

R4
G12
B17
Red4 (1.6%)
Green12 (4.7%)
Blue17 (6.7%)
Hue203.08°
Saturation (HSL)61.9%
Lightness4.12%
Dominant channelBlue
Hex per channelR 04 · G 0C · B 11

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Every value on this page was computed from “040c11” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.