Recognised as Colour

#CB7543

#CB7543
Orange
Dark
Nearest: Peru

#CB7543 is a orange with RGB values 203, 117, 67 and HSL 22°, 57%, 53%. It is a dark colour, so black text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Peru.

Colour values

#CB7543#CB7543

HEX#CB7543

RGBrgb(203, 117, 67)

RGB (0–1)0.7961, 0.4588, 0.2627

RGB percentages79.6%, 45.9%, 26.3%

HSLhsl(22.1, 56.7%, 52.9%)

HSV / HSBhsv(22.1, 67%, 79.6%)

CMYK0%, 42.4%, 67%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,333,827

CSS custom property--colour: #CB7543;

Brightness & contrast

Relative luminance0.25824WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.16:1

Contrast with white3.41:1WCAG normal text: Fail

Contrast with black6.16:1WCAG normal text: AA

Greyscale equivalent#848484

Inverted#348ABC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8D7F3Eno red cones; affects about 1% of men; ΔE 33.6 from the original

Deuteranopia#A29242no green cones; the most common form, about 1% of men; ΔE 33.9 from the original

Tritanopia#DD646Ano blue cones; rare, and affects men and women equally; ΔE 28.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.41:1WCAG large text: AA

Contrast with black, large text6.16:1WCAG large text: AAA

Named colours

Peru · ΔE 11 Sienna · ΔE 15.3 Chocolate · ΔE 17.1 Sandy brown · ΔE 18.1 Dark salmon · ΔE 18.3 Light salmon · ΔE 18.3

Nearest named CSS colourPeru (#CD853F)ΔE 10.98, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#4399CB

Analogous#CB4355, #CBB943

Triadic#43CB75, #7543CB

Split complementary#43CBB9, #4355CB

Tetradic#55CB43, #4399CB, #B943CB

Tints, shades & saturation

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

Lighter +40%#F7EAE3

Lighter +30%#ECCDBB

Lighter +20%#E1B093

Lighter +10%#D6926B

Darker −10%#AC5D2F

Darker −20%#844724

Darker −30%#5C3219

Darker −40%#341C0E

More saturated +25%#E96D25

Less saturated −25%#AD7D61

Channel breakdown

R203

G117

B67

Red203 (79.6%)

Green117 (45.9%)

Blue67 (26.3%)

Hue22.06°

Saturation (HSL)56.67%

Lightness52.94%

Dominant channelRed

Hex per channelR CB · G 75 · B 43

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Harmonies

Lighter and darker

Similar named colours

Also reads as

CB7543 (chemical formula)

Formula
81,551.841 g/mol
7544 atoms

CB7543 has a molar mass of 81,551.841 g/mol, made up of 7544 atoms across 2 elements: 1 × C, 7543 × B.

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Molar mass

Molar mass81,551.841 g/mol

Total atoms per molecule7544

Distinct elements2

Mass of one molecule1.3542002 × 10^-19 g

Molecules per gram7.3844326 × 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, 0.015%

Boron (B × 7543)81,539.83 g/mol, 99.985%

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Elements in this formula

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