Recognised as Colour

#B42948

#B42948
Red
Dark
Nearest: Brown

#B42948 is a red with RGB values 180, 41, 72 and HSL 347°, 63%, 43%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#B42948#B42948

HEX#B42948

RGBrgb(180, 41, 72)

RGB (0–1)0.7059, 0.1608, 0.2824

RGB percentages70.6%, 16.1%, 28.2%

HSLhsl(346.6, 62.9%, 43.3%)

HSV / HSBhsv(346.6, 77.2%, 70.6%)

CMYK0%, 77.2%, 60%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,807,048

CSS custom property--colour: #B42948;

Brightness & contrast

Relative luminance0.11757WCAG 2.x, 0 is black and 1 is white

Perceived brightness106.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.27:1

Contrast with white6.27:1WCAG normal text: AA

Contrast with black3.35:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#4BD6B7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#504E48no red cones; affects about 1% of men; ΔE 58.6 from the original

Deuteranopia#736B44no green cones; the most common form, about 1% of men; ΔE 59.9 from the original

Tritanopia#C50036no blue cones; rare, and affects men and women equally; ΔE 16.7 from the original

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

Contrast with white, large text6.27:1WCAG large text: AAA

Contrast with black, large text3.35:1WCAG large text: AA

Named colours

Brown · ΔE 15.7 Indian red · ΔE 17.8 Firebrick · ΔE 21 Crimson · ΔE 23.2 Maroon · ΔE 27.5 Pale violetred · ΔE 27.8

Nearest named CSS colourBrown (#A52A2A)ΔE 15.67, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#29B495

Analogous#B4298D, #B45029

Triadic#48B429, #2948B4

Split complementary#29B450, #298DB4

Tetradic#8EB429, #29B495, #5029B4

Tints, shades & saturation

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

Lighter +40%#EFBAC6

Lighter +30%#E690A3

Lighter +20%#DC6781

Lighter +10%#D33D5F

Darker −10%#8A2037

Darker −20%#611627

Darker −30%#370D16

Darker −40%#0E0306

More saturated +25%#D00D39

Less saturated −25%#984557

Channel breakdown

R180

G41

B72

Red180 (70.6%)

Green41 (16.1%)

Blue72 (28.2%)

Hue346.62°

Saturation (HSL)62.9%

Lightness43.33%

Dominant channelRed

Hex per channelR B4 · G 29 · B 48

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B42948 (chemical formula)

Formula
464,267.88 g/mol
42948 atoms

B42948 has a molar mass of 464,267.88 g/mol, made up of 42948 atoms across 1 element: 42948 × B.

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Molar mass

Molar mass464,267.88 g/mol

Total atoms per molecule42948

Distinct elements1

Mass of one molecule7.7093495 × 10^-19 g

Molecules per gram1.2971263 × 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 × 42948)464,267.88 g/mol, 100%

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Elements in this formula

Boron

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