Colour

#280C0C

#280C0C
Red
Dark
Nearest: Black

#280C0C is a red with RGB values 40, 12, 12 and HSL 0°, 54%, 10%. It is a dark colour, so white text on it reaches 18.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#280C0C#280C0C

HEX#280C0C

RGBrgb(40, 12, 12)

RGB (0–1)0.1569, 0.0471, 0.0471

RGB percentages15.7%, 4.7%, 4.7%

HSLhsl(0, 53.8%, 10.2%)

HSV / HSBhsv(0, 70%, 15.7%)

CMYK0%, 70%, 70%, 84.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,624,524

CSS custom property--colour: #280C0C;

Brightness & contrast

Relative luminance0.00741WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.29:1

Contrast with white18.29:1WCAG normal text: AAA

Contrast with black1.15:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#D7F3F3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#13110Cno red cones; affects about 1% of men; ΔE 14.8 from the original

Deuteranopia#1A170Bno green cones; the most common form, about 1% of men; ΔE 15.4 from the original

Tritanopia#2C080Cno blue cones; rare, and affects men and women equally; ΔE 4.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.29:1WCAG large text: AAA

Contrast with black, large text1.15:1WCAG large text: Fail

Named colours

Black · ΔE 16.7 Dark slate grey · ΔE 37 Dim grey · ΔE 40.7 Saddle brown · ΔE 48.6 Gray · ΔE 49.3 Sienna · ΔE 50.2

Nearest named CSS colourBlack (#000000)ΔE 16.71, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0C2828

Analogous#280C1A, #281A0C

Triadic#0C280C, #0C0C28

Split complementary#0C281A, #0C1A28

Tetradic#1A280C, #0C2828, #1A0C28

Tints, shades & saturation

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

Lighter +40%#C43C3C

Lighter +30%#9E2F2F

Lighter +20%#762424

Lighter +10%#4F1818

Darker −10%#010000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#2F0606

Less saturated −25%#221212

Channel breakdown

R40

G12

B12

Red40 (15.7%)

Green12 (4.7%)

Blue12 (4.7%)

Hue0°

Saturation (HSL)53.85%

Lightness10.2%

Dominant channelRed

Hex per channelR 28 · G 0C · B 0C

Keep nerding

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

#280C0C

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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