Recognised as Colour

#03191C

#03191C
Cyan
Dark
Nearest: Black

#03191C is a cyan with RGB values 3, 25, 28 and HSL 187°, 81%, 6%. It is a dark colour, so white text on it reaches 18.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#03191C#03191C

HEX#03191C

RGBrgb(3, 25, 28)

RGB (0–1)0.0118, 0.098, 0.1098

RGB percentages1.2%, 9.8%, 11%

HSLhsl(187.2, 80.6%, 6.1%)

HSV / HSBhsv(187.2, 89.3%, 11%)

CMYK89.3%, 10.7%, 0%, 89%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer203,036

CSS custom property--colour: #03191C;

Brightness & contrast

Relative luminance0.00798WCAG 2.x, 0 is black and 1 is white

Perceived brightness21.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.11:1

Contrast with white18.11:1WCAG normal text: AAA

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

Greyscale equivalent#151515

Inverted#FCE6E3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#16181Cno red cones; affects about 1% of men; ΔE 7.2 from the original

Deuteranopia#12151Cno green cones; the most common form, about 1% of men; ΔE 7.4 from the original

Tritanopia#001B1Ano blue cones; rare, and affects men and women equally; ΔE 3.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.11:1WCAG large text: AAA

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

Named colours

Black · ΔE 10.9 Dark slate grey · ΔE 24.6 Dim grey · ΔE 38.1 Slate grey · ΔE 46.2 Teal · ΔE 46.8 Gray · ΔE 47.1

Nearest named CSS colourBlack (#000000)ΔE 10.94, a distinctly different colour

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1C0603

Analogous#031C13, #030C1C

Triadic#1C0319, #191C03

Split complementary#1C030C, #1C1303

Tetradic#13031C, #1C0603, #0C1C03

Tints, shades & saturation

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

Lighter +40%#17BED4

Lighter +30%#1294A6

Lighter +20%#0D6B78

Lighter +10%#08424A

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#001B1F

Less saturated −25%#071618

Channel breakdown

G25

B28

Red3 (1.2%)

Green25 (9.8%)

Blue28 (11%)

Hue187.2°

Saturation (HSL)80.65%

Lightness6.08%

Dominant channelBlue

Hex per channelR 03 · G 19 · B 1C

Keep nerding

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

#03191C

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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