Recognised as Colour

#B1464B

#B1464B
Red
Dark
Nearest: Indian red

#B1464B is a red with RGB values 177, 70, 75 and HSL 357°, 43%, 48%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#B1464B#B1464B

HEX#B1464B

RGBrgb(177, 70, 75)

RGB (0–1)0.6941, 0.2745, 0.2941

RGB percentages69.4%, 27.5%, 29.4%

HSLhsl(357.2, 43.3%, 48.4%)

HSV / HSBhsv(357.2, 60.5%, 69.4%)

CMYK0%, 60.5%, 57.6%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,617,867

CSS custom property--colour: #B1464B;

Brightness & contrast

Relative luminance0.14235WCAG 2.x, 0 is black and 1 is white

Perceived brightness113.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.46:1

Contrast with white5.46:1WCAG normal text: AA

Contrast with black3.85:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#4EB9B4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#605B4Ano red cones; affects about 1% of men; ΔE 46.5 from the original

Deuteranopia#7B7248no green cones; the most common form, about 1% of men; ΔE 47.5 from the original

Tritanopia#C13349no blue cones; rare, and affects men and women equally; ΔE 13 from the original

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

Contrast with white, large text5.46:1WCAG large text: AAA

Contrast with black, large text3.85:1WCAG large text: AA

Named colours

Indian red · ΔE 9.2 Brown · ΔE 14.1 Light coral · ΔE 21.6 Sienna · ΔE 21.6 Firebrick · ΔE 22.2 Salmon · ΔE 24.6

Nearest named CSS colourIndian red (#CD5C5C)ΔE 9.17, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#46B1AC

Analogous#B14681, #B17746

Triadic#4BB146, #464BB1

Split complementary#46B177, #4681B1

Tetradic#80B146, #46B1AC, #7646B1

Tints, shades & saturation

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

Lighter +40%#EED5D6

Lighter +30%#E0B0B2

Lighter +20%#D18C8F

Lighter +10%#C3676B

Darker −10%#8C383C

Darker −20%#68292C

Darker −30%#431B1D

Darker −40%#1F0C0D

More saturated +25%#D0272F

Less saturated −25%#926567

Channel breakdown

R177

G70

B75

Red177 (69.4%)

Green70 (27.5%)

Blue75 (29.4%)

Hue357.2°

Saturation (HSL)43.32%

Lightness48.43%

Dominant channelRed

Hex per channelR B1 · G 46 · B 4B

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B1464B (chemical formula)

Formula
15,836.65 g/mol
1465 atoms

B1464B has a molar mass of 15,836.65 g/mol, made up of 1465 atoms across 1 element: 1465 × B.

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Molar mass

Molar mass15,836.65 g/mol

Total atoms per molecule1465

Distinct elements1

Mass of one molecule2.6297376 × 10^-20 g

Molecules per gram3.8026608 × 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

B100%

Boron (B × 1465)15,836.65 g/mol, 100%

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Elements in this formula

Boron

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