Recognised as Colour

#CB5720

#CB5720
Orange
Dark
Nearest: Chocolate

#CB5720 is a orange with RGB values 203, 87, 32 and HSL 19°, 73%, 46%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Chocolate.

Colour values

#CB5720#CB5720

HEX#CB5720

RGBrgb(203, 87, 32)

RGB (0–1)0.7961, 0.3412, 0.1255

RGB percentages79.6%, 34.1%, 12.5%

HSLhsl(19.3, 72.8%, 46.1%)

HSV / HSBhsv(19.3, 84.2%, 79.6%)

CMYK0%, 57.1%, 84.2%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,326,112

CSS custom property--colour: #CB5720;

Brightness & contrast

Relative luminance0.19617WCAG 2.x, 0 is black and 1 is white

Perceived brightness129.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.92:1

Contrast with white4.27:1WCAG normal text: Fail

Contrast with black4.92:1WCAG normal text: AA

Greyscale equivalent#6C6C6C

Inverted#34A8DF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#786A16no red cones; affects about 1% of men; ΔE 48.1 from the original

Deuteranopia#94841Bno green cones; the most common form, about 1% of men; ΔE 48.7 from the original

Tritanopia#DF3B4Cno blue cones; rare, and affects men and women equally; ΔE 30.1 from the original

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

Contrast with white, large text4.27:1WCAG large text: AA

Contrast with black, large text4.92:1WCAG large text: AAA

Named colours

Chocolate · ΔE 9.3 Coral · ΔE 16.5 Tomato · ΔE 18.8 Firebrick · ΔE 22.5 Sienna · ΔE 22.6 Saddle brown · ΔE 24.4

Nearest named CSS colourChocolate (#D2691E)ΔE 9.29, clearly different but related

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2094CB

Analogous#CB203F, #CBAC20

Triadic#20CB57, #5720CB

Split complementary#20CBAC, #203FCB

Tetradic#3FCB20, #2094CB, #AC20CB

Tints, shades & saturation

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

Lighter +40%#F5D2C2

Lighter +30%#EEB296

Lighter +20%#E7926A

Lighter +10%#E0723E

Darker −10%#9F4419

Darker −20%#733112

Darker −30%#471E0B

Darker −40%#1B0B04

More saturated +25%#E84D03

Less saturated −25%#AE613D

Channel breakdown

R203

G87

B32

Red203 (79.6%)

Green87 (34.1%)

Blue32 (12.5%)

Hue19.3°

Saturation (HSL)72.77%

Lightness46.08%

Dominant channelRed

Hex per channelR CB · G 57 · B 20

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB5720 (chemical formula)

Formula
61,845.211 g/mol
5721 atoms

CB5720 has a molar mass of 61,845.211 g/mol, made up of 5721 atoms across 2 elements: 1 × C, 5720 × B.

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Molar mass

Molar mass61,845.211 g/mol

Total atoms per molecule5721

Distinct elements2

Mass of one molecule1.0269639 × 10^-19 g

Molecules per gram9.7374407 × 10^18

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

C0%

B100%

Carbon (C)12.011 g/mol, 0.019%

Boron (B × 5720)61,833.2 g/mol, 99.981%

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