Colour

#040F0F

#040F0F
Cyan
Dark
Nearest: Black

#040F0F is a cyan with RGB values 4, 15, 15 and HSL 180°, 58%, 4%. It is a dark colour, so white text on it reaches 19.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040F0F#040F0F

HEX#040F0F

RGBrgb(4, 15, 15)

RGB (0–1)0.0157, 0.0588, 0.0588

RGB percentages1.6%, 5.9%, 5.9%

HSLhsl(180, 57.9%, 3.7%)

HSV / HSBhsv(180, 73.3%, 5.9%)

CMYK73.3%, 0%, 0%, 94.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer265,999

CSS custom property--colour: #040F0F;

Brightness & contrast

Relative luminance0.00402WCAG 2.x, 0 is black and 1 is white

Perceived brightness12.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.44:1

Contrast with white19.44:1WCAG normal text: AAA

Contrast with black1.08:1WCAG normal text: Fail

Greyscale equivalent#0D0D0D

Inverted#FBF0F0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0E0E0Fno red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#0B0C0Fno green cones; the most common form, about 1% of men; ΔE 3.3 from the original

Tritanopia#01100Fno blue cones; rare, and affects men and women equally; ΔE 1.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.44:1WCAG large text: AAA

Contrast with black, large text1.08:1WCAG large text: Fail

Named colours

Black · ΔE 4.9 Dark slate grey · ΔE 29.1 Dim grey · ΔE 40.9 Gray · ΔE 50.1 Slate grey · ΔE 50.1 Teal · ΔE 52.1

Nearest named CSS colourBlack (#000000)ΔE 4.88, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#0F0404

Analogous#040F0A, #040A0F

Triadic#0F040F, #0F0F04

Split complementary#0F040A, #0F0A04

Tetradic#0A040F, #0F0404, #0A0F04

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#2FB0B0

Lighter +30%#248888

Lighter +20%#196060

Lighter +10%#0F3737

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#021111

Less saturated −25%#060D0D

Channel breakdown

G15

B15

Red4 (1.6%)

Green15 (5.9%)

Blue15 (5.9%)

Hue180°

Saturation (HSL)57.89%

Lightness3.73%

Dominant channelGreen and Blue

Hex per channelR 04 · G 0F · B 0F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#040F0F

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

Nerdulate something else