Recognised as Colour

#B10034

#B10034
Red
Dark
Nearest: Brown

#B10034 is a red with RGB values 177, 0, 52 and HSL 342°, 100%, 35%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#B10034#B10034

HEX#B10034

RGBrgb(177, 0, 52)

RGB (0–1)0.6941, 0, 0.2039

RGB percentages69.4%, 0%, 20.4%

HSLhsl(342.4, 100%, 34.7%)

HSV / HSBhsv(342.4, 100%, 69.4%)

CMYK0%, 100%, 70.6%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,599,924

CSS custom property--colour: #B10034;

Brightness & contrast

Relative luminance0.09595WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.19:1

Contrast with white7.19:1WCAG normal text: AAA

Contrast with black2.92:1WCAG normal text: Fail

Greyscale equivalent#292929

Inverted#4EFFCB

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#454234no red cones; affects about 1% of men; ΔE 66.1 from the original

Deuteranopia#6D632Fno green cones; the most common form, about 1% of men; ΔE 66.1 from the original

Tritanopia#C3001Dno blue cones; rare, and affects men and women equally; ΔE 19.4 from the original

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

Contrast with white, large text7.19:1WCAG large text: AAA

Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Brown · ΔE 13.9 Firebrick · ΔE 14.7 Crimson · ΔE 16.1 Dark red · ΔE 22.1 Maroon · ΔE 22.8 Indian red · ΔE 23.9

Nearest named CSS colourBrown (#A52A2A)ΔE 13.88, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00B17D

Analogous#B1008D, #B12400

Triadic#34B100, #0034B1

Split complementary#00B124, #008DB1

Tetradic#8DB100, #00B17D, #2400B1

Tints, shades & saturation

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

Lighter +40%#FF7EA4

Lighter +30%#FF4B80

Lighter +20%#FF185C

Lighter +10%#E40043

Darker −10%#7E0025

Darker −20%#4B0016

Darker −30%#180007

Darker −40%#000000

More saturated +25%#B10034

Less saturated −25%#9B163D

Channel breakdown

R177

B52

Red177 (69.4%)

Green0 (0%)

Blue52 (20.4%)

Hue342.37°

Saturation (HSL)100%

Lightness34.71%

Dominant channelRed

Hex per channelR B1 · G 00 · B 34

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B10034 (chemical formula)

Formula
108,467.54 g/mol
10034 atoms

B10034 has a molar mass of 108,467.54 g/mol, made up of 10034 atoms across 1 element: 10034 × B.

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Molar mass

Molar mass108,467.54 g/mol

Total atoms per molecule10034

Distinct elements1

Mass of one molecule1.8011459 × 10^-19 g

Molecules per gram5.5520211 × 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

B100%

Boron (B × 10034)108,467.54 g/mol, 100%

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Elements in this formula

Boron

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