Colour

#04191F

#04191F
Cyan
Dark
Nearest: Black

#04191F is a cyan with RGB values 4, 25, 31 and HSL 193°, 77%, 7%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04191F#04191F

HEX#04191F

RGBrgb(4, 25, 31)

RGB (0–1)0.0157, 0.098, 0.1216

RGB percentages1.6%, 9.8%, 12.2%

HSLhsl(193.3, 77.1%, 6.9%)

HSV / HSBhsv(193.3, 87.1%, 12.2%)

CMYK87.1%, 19.4%, 0%, 87.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer268,575

CSS custom property--colour: #04191F;

Brightness & contrast

Relative luminance0.0082WCAG 2.x, 0 is black and 1 is white

Perceived brightness21.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.04:1

Contrast with white18.04:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#151515

Inverted#FBE6E0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#15181Fno red cones; affects about 1% of men; ΔE 6.4 from the original

Deuteranopia#11151Fno green cones; the most common form, about 1% of men; ΔE 6.8 from the original

Tritanopia#001B1Bno blue cones; rare, and affects men and women equally; ΔE 5.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.04:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Black · ΔE 11.4 Dark slate grey · ΔE 24.8 Dim grey · ΔE 38 Slate grey · ΔE 45.7 Gray · ΔE 47 Teal · ΔE 47.1

Nearest named CSS colourBlack (#000000)ΔE 11.42, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1F0A04

Analogous#041F18, #040B1F

Triadic#1F0419, #191F04

Split complementary#1F040B, #1F1804

Tetradic#18041F, #1F0A04, #0B1F04

Tints, shades & saturation

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

Lighter +40%#1BABD4

Lighter +30%#1586A7

Lighter +20%#106279

Lighter +10%#0A3D4C

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001B23

Less saturated −25%#08171B

Channel breakdown

G25

B31

Red4 (1.6%)

Green25 (9.8%)

Blue31 (12.2%)

Hue193.33°

Saturation (HSL)77.14%

Lightness6.86%

Dominant channelBlue

Hex per channelR 04 · G 19 · B 1F

Keep nerding

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

#04191F

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

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