Recognised as Colour

#CC1000

#CC1000
Red
Dark
Nearest: Orange red

#CC1000 is a red with RGB values 204, 16, 0 and HSL 5°, 100%, 40%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#CC1000#CC1000

HEX#CC1000

RGBrgb(204, 16, 0)

RGB (0–1)0.8, 0.0627, 0

RGB percentages80%, 6.3%, 0%

HSLhsl(4.7, 100%, 40%)

HSV / HSBhsv(4.7, 100%, 80%)

CMYK0%, 92.2%, 100%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,373,440

CSS custom property--colour: #CC1000;

Brightness & contrast

Relative luminance0.13208WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.77:1

Contrast with white5.77:1WCAG normal text: AA

Contrast with black3.64:1WCAG normal text: Fail

Greyscale equivalent#373737

Inverted#33EFFF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#584C00no red cones; affects about 1% of men; ΔE 71.6 from the original

Deuteranopia#837300no green cones; the most common form, about 1% of men; ΔE 70.7 from the original

Tritanopia#E20013no blue cones; rare, and affects men and women equally; ΔE 8.4 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.77:1WCAG large text: AAA

Contrast with black, large text3.64:1WCAG large text: AA

Named colours

Orange red · ΔE 18.9 Red · ΔE 20.1 Firebrick · ΔE 22.2 Tomato · ΔE 23.4 Crimson · ΔE 24.2 Dark red · ΔE 26.4

Nearest named CSS colourOrange red (#FF4500)ΔE 18.87, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00BCCC

Analogous#CC0056, #CC7600

Triadic#00CC10, #1000CC

Split complementary#00CC76, #0056CC

Tetradic#56CC00, #00BCCC, #7600CC

Tints, shades & saturation

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

Lighter +40%#FFA199

Lighter +30%#FF7266

Lighter +20%#FF4333

Lighter +10%#FF1400

Darker −10%#990C00

Darker −20%#660800

Darker −30%#330400

Darker −40%#000000

More saturated +25%#CC1000

Less saturated −25%#B32519

Channel breakdown

R204

G16

Red204 (80%)

Green16 (6.3%)

Blue0 (0%)

Hue4.71°

Saturation (HSL)100%

Lightness40%

Dominant channelRed

Hex per channelR CC · G 10 · B 00

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CC1000 (chemical formula)

Formula
12,023.011 g/mol
1001 atoms

CC1000 has a molar mass of 12,023.011 g/mol, made up of 1001 atoms across 1 element: 1001 × C.

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Molar mass

Molar mass12,023.011 g/mol

Total atoms per molecule1001

Distinct elements1

Mass of one molecule1.9964679 × 10^-20 g

Molecules per gram5.0088458 × 10^19

Name

NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show

Composition by mass

C100%

Carbon (C × 1001)12,023.011 g/mol, 100%

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Elements in this formula

Carbon

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