Recognised as Colour

#CC3703

#CC3703
Orange
Dark
Nearest: Tomato

#CC3703 is a orange with RGB values 204, 55, 3 and HSL 16°, 97%, 41%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Tomato.

Colour values

#CC3703#CC3703

HEX#CC3703

RGBrgb(204, 55, 3)

RGB (0–1)0.8, 0.2157, 0.0118

RGB percentages80%, 21.6%, 1.2%

HSLhsl(15.5, 97.1%, 40.6%)

HSV / HSBhsv(15.5, 98.5%, 80%)

CMYK0%, 73%, 98.5%, 20%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,383,427

CSS custom property--colour: #CC3703;

Brightness & contrast

Relative luminance0.15576WCAG 2.x, 0 is black and 1 is white

Perceived brightness119.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.1:1

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

Contrast with black4.12:1WCAG normal text: Fail

Greyscale equivalent#535353

Inverted#33C8FC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665900no red cones; affects about 1% of men; ΔE 62.1 from the original

Deuteranopia#8A7A00no green cones; the most common form, about 1% of men; ΔE 61.8 from the original

Tritanopia#E10030no blue cones; rare, and affects men and women equally; ΔE 23.6 from the original

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

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

Contrast with black, large text4.12:1WCAG large text: AA

Named colours

Tomato · ΔE 19.3 Orange red · ΔE 19.4 Firebrick · ΔE 21.2 Chocolate · ΔE 21.9 Dark red · ΔE 25.2 Coral · ΔE 25.8

Nearest named CSS colourTomato (#FF6347)ΔE 19.34, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0398CC

Analogous#CC0333, #CC9B03

Triadic#03CC37, #3703CC

Split complementary#03CC9B, #0334CC

Tetradic#34CC03, #0398CC, #9C03CC

Tints, shades & saturation

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

Lighter +40%#FEB69D

Lighter +30%#FD916B

Lighter +20%#FC6B39

Lighter +10%#FB4607

Darker −10%#9A2902

Darker −20%#671C02

Darker −30%#350E01

Darker −40%#030100

More saturated +25%#CF3600

Less saturated −25%#B2431D

Channel breakdown

R204

G55

Red204 (80%)

Green55 (21.6%)

Blue3 (1.2%)

Hue15.52°

Saturation (HSL)97.1%

Lightness40.59%

Dominant channelRed

Hex per channelR CC · G 37 · B 03

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CC3703 (chemical formula)

Formula
44,488.744 g/mol
3704 atoms

CC3703 has a molar mass of 44,488.744 g/mol, made up of 3704 atoms across 1 element: 3704 × C.

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Molar mass

Molar mass44,488.744 g/mol

Total atoms per molecule3704

Distinct elements1

Mass of one molecule7.3875297 × 10^-20 g

Molecules per gram1.3536325 × 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 × 3704)44,488.744 g/mol, 100%

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Elements in this formula

Carbon

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