Colour

#1C0306

#1C0306
Red
Dark
Nearest: Black

#1C0306 is a red with RGB values 28, 3, 6 and HSL 353°, 81%, 6%. 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

#1C0306#1C0306

HEX#1C0306

RGBrgb(28, 3, 6)

RGB (0–1)0.1098, 0.0118, 0.0235

RGB percentages11%, 1.2%, 2.4%

HSLhsl(352.8, 80.6%, 6.1%)

HSV / HSBhsv(352.8, 89.3%, 11%)

CMYK0%, 89.3%, 78.6%, 89%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,835,782

CSS custom property--colour: #1C0306;

Brightness & contrast

Relative luminance0.00325WCAG 2.x, 0 is black and 1 is white

Perceived brightness15.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.72:1

Contrast with white19.72:1WCAG normal text: AAA

Contrast with black1.07:1WCAG normal text: Fail

Greyscale equivalent#090909

Inverted#E3FCF9

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#080706no red cones; affects about 1% of men; ΔE 9.7 from the original

Deuteranopia#0F0D05no green cones; the most common form, about 1% of men; ΔE 10.2 from the original

Tritanopia#200104no blue cones; rare, and affects men and women equally; ΔE 3.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.72:1WCAG large text: AAA

Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 10.3 Dark slate grey · ΔE 35.9 Dim grey · ΔE 42.6 Gray · ΔE 51.6 Slate grey · ΔE 52.8 Saddle brown · ΔE 54.6

Nearest named CSS colourBlack (#000000)ΔE 10.29, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#031C19

Analogous#1C0313, #1C0D03

Triadic#061C03, #03061C

Split complementary#031C0D, #03131C

Tetradic#121C03, #031C19, #0C031C

Tints, shades & saturation

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

Lighter +40%#D4172D

Lighter +30%#A61224

Lighter +20%#780D1A

Lighter +10%#4A0810

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F0004

Less saturated −25%#180709

Channel breakdown

R28

Red28 (11%)

Green3 (1.2%)

Blue6 (2.4%)

Hue352.8°

Saturation (HSL)80.65%

Lightness6.08%

Dominant channelRed

Hex per channelR 1C · G 03 · B 06

Keep nerding

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#1C0306

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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